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IP Storage
Internet Draft                                        M. Hallak-Stamler
Document: draft-ietf-ips-scsi-mib-05.txt     Sanrad Intelligent Storage
                                                               M. Bakke
                                                          Cisco Systems
                                                          K. McCloghrie
                                                          Cisco Systems
                                                            Y. Lederman
                                                 Siliquent Technologies
                                                             M. Krueger
                                                        Hewlett-Packard

Expires: June 2003                                        February 2003


             Definition of Managed Objects for SCSI Entities


Status of this Memo

   This document is an Internet-Draft and is in full conformance with
   all provisions of Section 10 of RFC2026.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as Internet-
   Drafts.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.html.

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html.


Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.



Abstract





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   This memo defines a Management Information Base (MIB) for Small
   Computer System Interface (SCSI) entities, independently of the
   interconnect subsystem layer.


Table of Contents

   1. The SNMP Management Framework..................................3
   2. Conventions....................................................4
   3. Overview.......................................................4
      3.1 Introduction...............................................4
      3.2 SCSI Terminology...........................................6
      3.3 SCSI MIB Implementation....................................8
      3.4 Bridging and Virtualization...............................10
      3.5 SCSI Command MIB..........................................11
   4. Structure of the MIB..........................................11
      4.1 The SCSI Device Group.....................................11
      4.2 The Initiator Group.......................................11
      4.3 The Target Group..........................................11
      4.4 The Discovery Group.......................................11
      4.5 The LUN Map Group.........................................12
      4.6 The Target Statistic Group................................12
      4.7 The Target High Speed Statistic Group.....................12
      4.8 The LUN Map Statistics Group..............................12
      4.9 The LUN Map Statistics High Speed Group...................12
      4.10 The Initiator Statistic Group............................13
      4.11 The Initiator High Speed Statistic Group.................13
      4.12 The Discovery Statistics Group...........................13
      4.13 The Discovery Statistics High Speed Group................13
      4.14 The Device Statistics Group..............................13
   5. Relationships in this MIB.....................................14
   6. Relationship to Other MIBs....................................15
      6.1 Host Resource MIB.........................................15
      6.2 iSCSI MIB.................................................15
   7. Miscellaneous Details.........................................15
      7.1 Names and Identifiers.....................................15
      7.2 Logical Unit Number.......................................16
      7.3 State of logical units....................................16
      7.4 Notifications.............................................16
      7.5 SCSI Domains..............................................16
      7.6 Counters: 32 bits and 64 bits.............................17
      7.7 Local versus Remote Entities..............................17
   8. Abbreviations.................................................17
   9. Object Definitions............................................17
   10. Acknowledgments..............................................69
   11. Object Population Example: Target and Initiator on a pSCSI bus69
   12. References...................................................74
      12.1 Normative References.....................................74
      12.2 Informative References...................................75


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   13. Security Considerations......................................76
   14. Authors' Addresses...........................................77
   15. Full Copyright Statement.....................................78


1. The SNMP Management Framework

   The SNMP Management Framework presently consists of five major
   components:

   o  An overall architecture, described in RFC 2571 [1].

   o Mechanisms for describing and naming objects and events for the
     purpose of management.  The first version of this Structure of
     Management Information (SMI) is called SMIv1 and described in STD
     16, RFC 1155 [2], STD 16, RFC 1212 [3] and RFC 1215 [18].  The
     second version, called SMIv2, is described in STD 58, RFC 2578 [4],
     STD 58, RFC 2579 [5] and STD 58, RFC 2580 [6].

   o Message protocols for transferring management information. The
     first version of the SNMP message protocol is called SNMPv1 and
     described in STD 15, RFC 1157 [7].  A second version of the SNMP
     message protocol, which is not an Internet standards track
     protocol, is called SNMPv2c and described in RFC 1901 [19] and RFC
     1906 [8].  The third version of the message protocol is called
     SNMPv3 and described in RFC 1906 [8], RFC 2572 [9] and RFC
     2574[10].

   o Protocol operations for accessing management information. The first
     set of protocol operations and associated PDU formats is described
     in STD 15, RFC 1157 [7]. A second set of protocol operations and
     associated PDU formats is described in RFC 1905 [11].

   o A set of fundamental applications described in RFC 2573 [12] and
     the view-based access control mechanism described in RFC 2575[13].

   A more detailed introduction to the current SNMP Management Framework
   can be found in RFC 2570 [20].

   Managed objects are accessed via a virtual information store, termed
   the Management Information Base or MIB.  Objects in the MIB are
   defined using the mechanisms defined in the SMI.

   This memo specifies a MIB module that is compliant to the SMIv2.  A
   MIB conforming to the SMIv1 can be produced through the appropriate
   translations.  The resulting translated MIB must be semantically
   equivalent, except where objects or events are omitted because no
   translation is possible (use of Counter64).  Some machine-readable
   information in SMIv2 will be converted into textual descriptions in


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   SMIv1 during the translation process.  However, this loss of machine-
   readable information is not considered to change the semantics of the
   MIB.



2. Conventions

   The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
   SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when
   they appear in this document, are to be interpreted as described in
   RFC 2119 [21].



3. Overview

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in the Internet community.
   In particular, it describes a set of managed objects to configure and
   monitor Small Computer System Interface entities (SCSI entities),
   i.e. SCSI Devices, SCSI Targets and Initiators and SCSI Ports.

   SCSI is a client-server protocol in which application clients within
   an initiator device (client) issue service requests to logical units
   contained in a target (server).

   This MIB is based on documents defined by the ANSI T10 Technical
   Committee, specifically the SCSI Architecture Model - 2 document
   [14].

3.1 Introduction

   In the late 1970s a firm called Shugart Associates started to have
   some considerable success with a peripheral interface definition in
   what became the PC marketplace, and this interface was adopted
   and extended by an open standards committee to form the Small
   Computer Systems Interface (SCSI). SCSI defines an 8 bit wide multi-
   drop "bus" structure which could interconnect a total of eight
   peripherals and computer systems.

   It's important to realize that all SCSI initially standardized was
   the "physical connection" i.e. the connectors, cables and interface
   signals. Thus even though a peripheral could be connected to multiple
   systems, the information that flowed across the interface was
   different in each case. This was addressed some five years later by
   the definition of a Common Command Set, and with this definition in
   place it was possible for the first time to develop a peripheral with



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   both a common interface and common operating firmware for connection
   to multiple systems.

   The physical interface of SCSI continued to be developed throughout
   the 1980s with the addition of fast (up to 10 megabytes/s) and wide
   (16 bits) variants, but the distance supported remained a maximum of
   25 meters (from one end of the bus to another), and indeed some of
   the faster variants supported much less than that distance. The
   command set development continued, with special commands for tapes,
   printers, and even processors being added to the original disk-
   oriented set. So successful was SCSI in the 1980s that the majority
   of the available Operating Systems incorporated support for the SCSI
   command set as standard.

   However at the end of the 1980s the distance, speed and number of
   devices supported by SCSI were starting to become significant
   impediments to systems design, and while the "information explosion"
   had not yet started in earnest, it was already being anticipated. At
   the same time, the serial interface technologies developed for Local
   Area Networks such as Ethernet, and the fibre optics technologies
   that were first deployed in telecommunications applications, were
   starting to appear sufficiently rugged & low-cost for use in
   peripheral interface applications. Thus a standards project was begun
   in 1988 to develop a new serial, fibre-optic interface to carry the
   SCSI command sets and other peripheral protocols. This interface
   eventually became known as Fibre Channel (FC), and it is based on an
   architecture centered around an abstractly defined "fabric", which
   may be a switch or a loop connection. MIBs for various FC equipments
   are already in existence.

   In order to support the new interfaces, it was necessary to
   completely reorganize the SCSI standards and definitions. The command
   sets were separated from the physical interface definitions, and a
   SCSI Architectural Model (SAM) was created to define the interaction
   between the various standards. It is a key to understanding SAM to
   realize that it was first created approximately 10 years AFTER the
   first SCSI products were shipped!!

   The most recent development in this saga occurred in 2000 when an
   IETF Working Group was formed to address, amongst other things, a
   definition for transporting the SCSI command sets directly over a
   TCP/IP infrastructure. This effort is known as iSCSI [22], and an
   iSCSI MIB is already under development [23].

   Most of the projects are in T10, except Fibre Channel that is defined
   by T11 and IEEE defines 1394.





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   The SCSI MIB represents the SCSI protocol layer common to all SCSI
   command sets and transports.  It does not represent the command sets
   and transports themselves. These should appear in other MIBs specific
   to the transport or command set.  The following drawing shows the
   relationships between the various actual and possible SCSI-related
   MIBs.

                  +---------------------------------+
    SCSI Command  | Higher-level MIBs, specific to  |
    Sets          | command sets, disk, tape, etc.  |
                  +---------------------------------+
    SCSI          |             SCSI MIB            |
                  +-------+---------+-------+-------+
    SCSI          | iSCSI |   FCP   |  SPI  | Other |
    Transport     |  MIB  |   MIB   |  MIB  |  MIBs |
    Protocols     |       |         |       |       |
                  +-------+---------+-------+-------+
    SCSI          |  TCP  |  Fibre  |    Other      |
    Interconnect  |  MIB  | Channel | Interconnect  |
                  |       |  MIBs   |    MIBs       |
                  +-------+---------+-------+-------+

   An iSCSI MIB [23], and a Fibre Channel interconnect MIB [24] are
   currently being developed.  No development is currently planned for
   standard command-set-specific or device-specific MIBs.

   Standard Fibre Channel interconnect MIBs [24] are also under
   development.

   The TCP MIB [25] is already a proposed standard RFC 2012.

3.2 SCSI Terminology

   The following sections explain some of the SCSI terminology, which is
   used later in defining the MIB.  For the authoritative definitions of
   these terms, see SAM-2 [14].

   3.2.1 SCSI Application Layer
   The protocols and procedures that implement or invoke SCSI commands
   and task management functions by using services provided by a SCSI
   protocol layer.

   3.2.2 SCSI Device
   A SCSI device is an entity that contains one or more SCSI ports that
   are connected to a service delivery subsystem and supports a SCSI
   application protocol.

   3.2.3 SCSI Port



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   A SCSI port is a device-resident entity that connects the application
   client, device server or task manager to the service delivery
   subsystem through which requests and responses are routed. A SCSI
   port is synonymous with port and either a SCSI initiator port or a
   SCSI target port.

   3.2.4 SCSI Initiator
   A SCSI initiator device contains application clients and SCSI
   initiator ports that originate device service and task management
   requests to be processed by a target SCSI device. When used this term
   refers to SCSI initiator devices or SCSI target/initiator devices
   that are using the SCSI target/initiator port as a SCSI initiator
   port.

   3.2.5 SCSI Initiator Port
   A SCSI initiator port acts as the connection between application
   clients and the service delivery subsystem through which requests and
   responses are routed. In all cases when this term is used it refers
   to an initiator port or a SCSI target/initiator port operating as a
   SCSI initiator port.

   3.2.6 SCSI Target Device
   A SCSI target device contains logical units and SCSI target ports
   that receive device service and task management requests for
   processing. When used this term refers to SCSI target devices or SCSI
   target/initiator devices that are using the SCSI target/initiator
   port as a SCSI target port.

   3.2.7 SCSI Target Port
   A SCSI target port contains a task router and acts as the connection
   between device servers and task managers and the service delivery
   subsystem through which requests and responses are routed. When this
   term is used it refers to a SCSI target port or a SCSI
   target/initiator port operating as a SCSI target port.

   3.2.8 Logical Units
   A logical unit is an entity residing in the target that implements a
   device model and processes SCSI commands sent by an application
   client.

   3.2.9 Logical Unit Number
   A Logical Unit Number or LUN is a 64-bit identifier for a logical
   unit.

   3.2.10 Interconnect Subsystem
   An interconnect subsystem is one or more physical interconnects that
   appear as a single path for the transfer of information between SCSI
   devices.



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   3.2.11 Device Server
   A device server is an object within the logical unit that processes
   SCSI tasks according to the rules for task management.

   3.2.12 Task Manager
   A task manager is a server within the target that processes task
   management functions.

   3.2.13 SCSI Instance
   A "SCSI instance" is a distinct SCSI entity within a managed system.
   While most implementations will have just one SCSI instance, the MIB
   allows for multiple (virtual) instances, such that a large system can
   be "partitioned" into multiple, distinct virtual systems.

   For example, in a host, it allows multiple vendors' implementations
   of the MIB to co-exist under a single SNMP agent through each
   vendor's implementation being a different SCSI instance.  It also
   allows a single SNMP agent to represent multiple subsystems each of
   which have their own SCSI instance.

3.3 SCSI MIB Implementation

   The SCSI MIB is a basic building block to use in the various SCSI
   management scenarios. The SCSI MIB is intended to be implemented in
   every SCSI entity in a managed system. A SCSI entity can be a SCSI
   Initiator device, SCSI Target device or SCSI Initiator and Target
   device. Since SCSI (storage) networking devices may contain more than
   one SCSI entity, it is possible that more than one SCSI instance will
   reside in a single device.

   In small-scale environments a single network management station (NMS)
   may have SNMP access to both initiators and targets. However if the
   SCSI targets, or virtualized targets, are being provided as a
   service, it is more likely that the provider of the service owns and
   manages the targets, and that the consumer of the service owns and
   manages the initiators. In this case, the service provider NMS and
   the consumer NMS may have only allowed SNMP access to the targets and
   the initiators respectively.

   The figures in this chapter describe the location of the SCSI MIB
   implementations in the various SCSI management scenarios. The
   locations of the SCSI SNMP agent implementing the SCSI MIB, are
   denoted with '*.

         +----------+                                       +---------+
         |SCSI      |          SCSI Transport               |SCSI     |
         |Initiator +---------------------------------------+Target   |
         |Device    |                                       |Device   |
         |     *    |                                       |    *    |


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         +----------+                                       +---------+
               |                                                 |
               |                                                 |
               |                                                 |
               |                                                 |
               |                                                 |
               |      SNMP        +----------+     SNMP          |
               +------------------|SCSI      |-------------------+
                                  |Management|
                                  | (NMS)    |
                                  +----------+

   Figure 1: Single SCSI Initiator device and Single SCSI Target device


   Figure 1 describes a simple SCSI management scenario of a SCSI
   Initiator device, a SCSI Target device and a Management station. In
   this scenario there are two SNMP agents, each containing its SCSI
   instance and its respective objects. As the SCSI Target and SCSI
   Initiator device are interconnected, their Target and Initiator port
   objects will be complementary.


      +-----------+
      |  +--------+-+          SCSI Transport               +---------+
      |  | SCSI     |---------------------------------------+ SCSI    |
      |* | Initiator+---------------------------------------+ Target  |
      +--| Device   |          SCSI Transport               | Device  |
       | |     *    |                                       |    *    |
       | +----------+                                       +---------+
       |       |                                                 |
       |       |                                                 |
       |       |                                                 |
       |       |                                                 |
       |       |                                                 |
       |SNMP   |      SNMP        +----------+     SNMP          |
       +-------+------------------|SCSI      |-------------------+
                                  |Management|
                                  | (NMS)    |
                                  +----------+

             Figure 2: Multiple Hosts and a Single Target device


   Figure 2 adds another SCSI Initiator device, to the SCSI network,
   which connects to the same SCSI target device.The additional
   Initiator also has an SNMP agent implementing the SCSI MIB. In this
   case, the SCSI Target device's MIB will show that two SCSI Initiator
   devices are attached to it.


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   +-----------+                                          +-----------+
   |  +----------+              +---------------+       +-+-------+   |
   |  |SCSI      |--------------| Virtualization|       | SCSI    |   |
   |* |Initiator +--------------| Device        +-------+ Target  |   |
   +--|Device    | SCSI         |               |       | Device  | * |
    | |     *    |              |            *  |       |    *    |---+
    | +----------+ Transport    +------------+--+       +---------+ |
    |       |                                |              |       |
    |       |                                |              |       |
    |       |                                |              |       |
    |       |                                |              |       |
    |       |                                |              |       |
    |       |      SNMP        +-----------+ |   SNMP       |       |
    +-------+------------------+ SCSI      + +-+------------+-------+
                               | Management|
                               | (NMS)     |
                               +-----------+
   Figure 3: Multiple Hosts, Virtualization device and multiple Targets


   Figure 3 adds an in-band virtualization device which encapsulates,
   and possibly modifies, the SCSI Target devices representation to the
   SCSI Initiator devices. It is common practice for an in-band
   virtualization device, to include both SCSI Target and Initiator
   device functionality. Therefore, its SCSI MIB implementation includes
   both the SCSI Target and Initiator device objects. It should be noted
   that the Virtualization device may implement additional proprietary
   MIBs, as the SCSI MIB does not distinguish between physical and
   virtual SCSI entities.

3.4 Bridging and Virtualization

   Storage virtualization is a concept that abstracts storage resources
   in such a way that, storage entities are provided as pool of logical
   entities.

   Usually the virtualization process is transparent to the storage
   users (i.e. Hosts). Virtualization normally affects the SCSI entities
   represented to SCSI Initiators. However, the SCSI MIB enables the
   representation of SCSI entities and their respective status,
   including error and performance-monitoring statistics. It should be
   possible to perform a limited number of configuration modification
   and diagnostic actions.

   The SCSI entities embodied in the bridging and virtualization devices
   can be represented by the SCSI MIB. However, Bridging and



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   Virtualization devices configuration is beyond the above-described
   scope and therefore should be provided through other MIBs.

3.5 SCSI Command MIB

   The management of SCSI commands is beyond the scope of this MIB.
   Future SCSI Command MIB can link to this MIB, through the use of OIDs
   or INDEX values of appropriate tables.


4. Structure of the MIB

   This MIB contains fourteen conformance groups:


4.1 The SCSI Device Group

   The scsiDeviceGroup group contains the objects general to each SCSI
   instance: instance, device and port objects. It contains also the
   objects referring to the transport(s) used by those SCSI instances.
   This group is mandatory for all SCSI managed system.



4.2 The Initiator Group

   The scsiInitiatorGroup contains all the managed information related
   to a local initiator device and port. In addition, it contains the
   managed objects referring to the monitored attached targets. Any
   managed system acting, as an initiator or target/initiator port must
   support this group.

4.3 The Target Group

   The scsiTargetGroup contains all the managed objects related to a
   local target device, a local target port, monitored attached
   initiator ports, logical units and logical unit identifiers.
   Managed systems acting, as a target or target/initiator device and
   port must support this group.

4.4 The Discovery Group

   The scsiDiscoveryGroup group is a collection of managed objects
   referring to remote target devices, remote target ports, remote
   logical units and remote logical unit identifiers discovered by or
   configured to a managed system acting as an initiator device.




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   Managed systems acting as an initiator device and port and supporting
   remote target devices or ports configuration or discovery should
   implement this group.

4.5 The LUN Map Group

   The scsiLunMapGroup group is a collection of managed objects allowing
   mapping between target devices, logical units and logical unit
   numbers in one side to remote authorized initiator devices or ports
   in another side.
   Managed systems supporting this mapping should implement the
   scsiLunMapGroup.

4.6 The Target Statistic Group

   The scsiTargetStatsGroup group is a collection of managed objects
   representing various statistics referring to a target device or port.
   Managed systems acting as a target device and port supporting
   statistics should implement this group.

4.7 The Target High Speed Statistic Group

   The scsiTargetHSStatsGroup group is a collection of managed objects
   representing various statistics referring to a target device or port.
   It provides support for systems, which can quickly generate countable
   information because they run at high speed.
   Managed systems acting, as a target device and port and running at
   high speed supporting should implement this group.


4.8 The LUN Map Statistics Group

   The scsiLunMapStatsGroup group is a collection of managed objects
   representing various statistics referring to remote authorized
   initiator devices or ports.
   Managed systems acting as a target device and port and able to gather
   statistics on remote initiator devices or ports should implement this
   group.

4.9 The LUN Map Statistics High Speed Group

   The scsiLunMapHSStatsGroup group is a collection of managed objects
   representing various statistics referring to remote authorized
   initiator devices or ports. It provides support for systems, which
   can quickly generate countable information because they run at high
   speed.




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   Managed systems acting as a target device and port and able to gather
   statistics on remote initiator devices or ports and running at high
   speed should implement this group.

4.10 The Initiator Statistic Group

   The scsiInitiatorStatsGroup group is a collection of managed objects
   representing various statistics referring to a initiator device or
   port.
   Managed systems acting as a initiator device and port supporting
   statistics should implement this group.

4.11 The Initiator High Speed Statistic Group

   The scsiInitiatorHSStatsGroup group is a collection of managed
   objects representing various statistics referring to an initiator
   device or port. It provides support for systems, which can quickly
   generate countable information because they run at high speed.
   Managed systems acting as an initiator device and port and running at
   high speed supporting should implement this group.

4.12 The Discovery Statistics Group

   The scsiDiscoveryStatsGroup group is a collection of managed objects
   representing various statistics referring to remote discovered or
   configured target devices or ports.
   Managed systems acting as an initiator device and port and able to
   gather statistics on remote target devices or ports should implement
   this group.

4.13 The Discovery Statistics High Speed Group

   The scsiDiscoveryHSStatsGroup group is a collection of managed
   objects representing various statistics referring to remote
   discovered or configured target devices or ports. It provides support
   for systems, which can quickly generate countable information because
   they run at high speed.
   Managed systems acting as an initiator device and port and able to
   gather statistics on remote target devices or ports and running at
   high speed should implement this group.

4.14 The Device Statistics Group

   The scsiDeviceStatGroup group is a collection of managed objects
   representing various statistics referring to a SCSI device.
   Managed systems able to gather device statistics should implement
   this group.


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5. Relationships in this MIB

   This chapter outlines the functionality and the dependency between
   the SNMP tables providing the required management functionality for
   SCSI initiator and target devices. For specific usage of these
   tables, the reader should refer to the description of the tables and
   their respective table entries and attributes.

   Following is a list of required SCSI initiator related features, and
   the respective tables facilitating this functionality:

   - List all the SCSI initiator ports, which should be managed through
   this MIB. The table scsiIntrPortTable maintains all the SCSI
   initiator ports for the SCSI initiator devices in the MIB.

   - Provide a list of all SCSI target ports or SCSI target devices to
   which a SCSI initiator port can attach. This should prevent a SCSI
   initiator device or port from attaching to SCSI target devices that
   should be either invisible or inaccessible to it. The entries in this
   list can be either created manually or by automatic discovery
   mechanisms (e.g. SLP, iSNS).
   The ScsiDscTgtTable provides this information. The entries in this
   table point to SCSI initiator port, and indicate that the SCSI
   initiator port can only attach to SCSI target ports or SCSI target
   devices provided in the respective entries of the ScsiDscTgtTable.

   - The information, for the aforementioned SCSI target ports or SCSI
   target devices, about the LUs and their respective LUN Ids should be
   provided.
   The scsiDscLunTable and scsiDscLunIdTable maintain this information.

   - The scsiAttTgtPortTable provides the information information about
   the target ports each SCSI initiator port is currently communicating
   with. This table should be dynamically updated to reflect those
   connections.


   Following is a list of required SCSI target related features, and the
   respective tables facilitating this functionality:

   - List all the SCSI target ports, which should be managed through
   this MIB.
   The table scsiTgtPortTable maintains all the SCSI target ports for
   the SCSI target devices in the MIB.





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   -Provide a list of valid SCSI initiator ports or SCSI initiator
   devices authorized to attach to a SCSI target port. This list should
   feature the concept of "access lists", which are common in IP routers
   and switches. The ScsiAuthorizedIntr table provides this information.

   - It should be possible to specify the list of LUNs exposed to each
   SCSI initiator port or device, when it attached to the SCSI target.
   SCSI target devices must provide a default list of LUNs. This list of
   LUNs can be either a unique list for each SCSI initiator device, or
   be the default list.
   For each entry in the ScsiAuthorizedIntr table a pointer, named
   scsiAuthIntrLunMapIndex, indexing the ScsiLunMapTable facilitates
   this feature.

   - Provide means to monitor all the SCSI initiator ports currently
   attached to this SCSI target port. The scsiAttIntrPortTable provides
   this information. This table should be dynamically updated to reflect
   those connections.

6. Relationship to Other MIBs

6.1 Host Resource MIB

   The SCSI MIB extends objects defined in the host resource MIB to SCSI
   specific entities but does not contain information on software
   modules such as device drivers. If MIB objects are required for
   installed packages of SCSI software, then the hrSWInstalledGroup of
   the host resource MIB (RFC 2790 [17]) are the standard MIB objects to
   use.

6.2 iSCSI MIB

   The SCSI MIB defines managed objects for SCSI protocol layer. The
   SCSI layer can run on the top of several transport layers; iSCSI is
   one of them. The iSCSI MIB [23] is the MIB portion defining the
   managed objects for the transport called iSCSI. In the same way, a
   fibre channel or parallel SCSI MIB would define managed objects for a
   transport called respectively fibre channel or parallel SCSI.
   The relationship between the SCSI MIB and any valid transport MIB is
   determined via the SCSI port managed table that has an object
   pointing to the corresponding row, if any, of the relevant table in a
   transport MIB.

7. Miscellaneous Details

7.1 Names and Identifiers




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   The names and the identifiers of the SCSI devices, ports and logical
   units depend on the underlying transport protocols; their format and
   length vary accordingly. Please refer to [14] in order to get more
   details.

7.2 Logical Unit Number

   The logical unit number is a 64-bit integer. This type does not exist
   in SMI and therefore, this MIB contains a textual convention defining
   LUN as an OCTET STRING.

7.3 State of logical units

   The state of a logical unit determines whether the data is protected
   or not. It is often referred as protected entity. Protected entities
   are entities that are able to tolerate one or more entity failing
   without any loss of data or loss of data availability.

   For more information on the logical unit states see the SCSI
   Controller Commands-2 (SCC-2) standard (NCITS.318-1998).

7.4 Notifications

   Separate SNMP notifications may be enabled/disabled to notify of a
   change in any of the SCSI device status variables. A notification
   will be generated theoretically for each occurrence (see restriction
   below) of the abnormal status (e.g., if the SCSI device's current
   status is abnormal and another logical unit changes its status to
   from available another notification will occur).
   To avoid sending an excessive number of notifications due to multiple
   errors counted, an SNMP agent implementing the SCSI MIB should not
   send more than three SCSI notifications in any 10-second period.

   The 3-in-10 rule was chosen because one notification every three
   seconds was deemed often enough, but if and when two or three
   different notifications happen at the same time, it would not be
   desirable to suppress them.  Three notifications in ten seconds is a
   happy medium, where a short burst of notifications is allowed,
   without inundating the network and/or destination host with a large
   number of notifications.

7.5 SCSI Domains

   SAM-2 specifies that devices belong to a domain. However, it is not
   usually possible to determine this from within a system, so domains
   are not represented within this MIB.




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7.6 Counters: 32 bits and 64 bits

   Some counters, in (newer) high-performance systems, can increase at a
   fast enough rate such that their representation as Counter32's, can
   cause them to "wrap" in less than an hour.  The SMIv2 provides
   Counter64 as the syntax for such counters.  However, (older) SNMPv1
   implementations cannot support Counter64's. Thus, this MIB defines
   such counters as both Counter32's and Counter64's.

   The counters in this MIB which count data, are defined in terms of
   megabytes (i.e., as the number of megabytes of data), such that
   Counter64's are not required.

   However, the counters in this MIB, which count commands, when in use
   at 10GBit/second with 512 read/write operations, could wrap within an
   hour.  Therefore, each of these counters will be defined as both
   a Counter32 and a Counter64, with the latter being conditionally
   mandatory, depending on the system speed.

7.7 Local versus Remote Entities
   This MIB qualifies often SCSI entities as local or remote. The local
   entities are the ones for which the agent is reporting. The remote
   entities are the ones, which the local entities are in communication
   with via the SCSI protocol.

8. Abbreviations
   This MIB will use the following abbreviations:
   Inst = Instance
   Dev = Device
   Tgt = Target
   Intr = Initiator
   Att = Attached
   Id = Identifier
   Trnspt = Transport
   Dsc = Discovered
   pSCSI = Parallel SCSI

9. Object Definitions

SCSI-MIB DEFINITIONS ::= BEGIN

   IMPORTS
   MODULE-IDENTITY, OBJECT-IDENTITY, OBJECT-TYPE,
   NOTIFICATION-TYPE, Integer32, Unsigned32, Counter32,
   Counter64, Gauge32,
   mib-2                                     FROM SNMPv2-SMI
   TEXTUAL-CONVENTION, TimeStamp, TruthValue,
   RowStatus, RowPointer, AutonomousType     FROM SNMPv2-TC
   MODULE-COMPLIANCE, OBJECT-GROUP,


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   NOTIFICATION-GROUP                        FROM SNMPv2-CONF
   SnmpAdminString                  FROM SNMP-FRAMEWORK-MIB;



scsiModule MODULE-IDENTITY
     LAST-UPDATED "200302250000Z"         -- 25 February 2003
     ORGANIZATION "IETF"
     CONTACT-INFO "
          Michele Hallak-Stamler
          Sanrad Intelligent Network
          32 Habarzel Street
          Tel Aviv, Israel
         Phone: +972 3 7674809
          E-mail: michele@sanrad.com


          Yaron Lederman
          Siliquent Technologies Ltd.
          33 Bezalel Street
          Ramat Gan, Israel
          Phone: +972 3 7552320
          E-mail: yaronl@siliquent.com

          Mark Bakke
          Postal: Cisco Systems, Inc
          6450 Wedgwood Road, Suite 130
          Maple Grove, MN
          USA 55311
          Phone: +1 763-398-1000
          Fax: +1 763-398-1001
          E-mail: mbakke@cisco.com

          Marjorie Krueger
          Postal: Hewlett-Packard
          Networked Storage Architecture
          Networked Storage Solutions Org.
          8000 Foothills Blvd.
          Roseville, CA 95747
          Phone: +1 916-785-2656
          Phone: +1 916-785-0391
          E-mail: marjorie_krueger@hp.com

          Keith McCloghrie
          Cisco Systems, Inc.
          Postal: 170 West Tasman Drive
          San Jose, CA USA 95134
          Phone: +1 408 526-5260
          E-mail: kzm@cisco.com


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         "
     DESCRIPTION
          "The SCSI MIB"

   -- Revision History

     REVISION     "200302250000Z"
     DESCRIPTION  " Initial version published as RFC nnnn."
::= { mib-2 xxx}   -- must be changed in the future


   --******************** Textual Conventions *************************
ScsiLUN  ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          " This Textual Convention represents either a SCSI Logical
          Unit Number (LUN).  The format of a LUN is:
          - a string of two octets if the underlying transport protocol
          is SBP-3 or SPI-4 using data group transfers or
          - a string of eight octets for all other cases."
     SYNTAX OCTET STRING (SIZE ( 2 | 8))

ScsiIndexValue ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          " An arbitrary integer value, greater than zero, for use as a
          unique index value."
     SYNTAX Unsigned32(1..4294967295)

ScsiPortIndexValueOrZero ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This textual convention is an extension of the ScsiIndexValue
          convention.  The latter defines a greater than zero value used
          to identify an index.  This extension permits the additional
          value of zero and is applicable only to indices of SCSI port.
          Usage of the zero is object-specific and must therefore be
          defined as part of the description of any object, which uses
          this syntax.  Examples of the usage of zero might include
          situations where index was unknown, or when none or all
          indices need to be referenced."
     SYNTAX Unsigned32(0..4294967295)

ScsiIndexValueOrZero ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This textual convention is an extension of the ScsiIndexValue
          convention.  The latter defines a greater than zero value used


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          to identify an index.  This extension permits the additional
          value of zero. Usage of the zero is object-specific and must
          therefore be defined as part of the description of any object,
          which uses this syntax.  Examples of the usage of zero might
          include situations where index was unknown, or when none or
          all indices need to be referenced."
     SYNTAX Unsigned32(0..4294967295)

ScsiIdentifier ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This Textual Convention represents a generic SCSI device or
          port identifier.
          The format depends on the transport used:
          - SPI: only bits:0-3 for a port identifier (MSB is 0 and LSB
          is 3). Other bits must be zero.
          - SPI: identifier of a device is a zero-length octet string.
          - FCP: 3 bytes for a port identifier
          - FCP: identifier of a device is a zero-length octet string.
          - SRP: 16 bytes for a port identifier.
          - SRP: it is a zero-length octet string for a device
          identifier.
          - iSCSI: 256 bytes for a device identifier.
          - iSCSI: 258 bytes for a target port identifier.
          - iSCSI: 262 bytes for an initiator port identifier.
          - SBP: it is a zero-length octet string for a device
          identifier.
          - SBP: 2 bytes for an initiator port identifier.
          - SBP: 11 bytes for a target port identifier. "
     REFERENCE
         "SCSI Architecture Model-2 (SAM-2), Working Draft, T10 Project
         1157-D, Revision 20, 19 September 2001 - Annex A [14]"
     SYNTAX OCTET STRING (SIZE (0..262))

ScsiName ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          " This Textual Convention represents a generic SCSI device or
          port name.
          The format depends on the transport used:
          - SPI: it is a zero-length octet string for a device or port
          name.
          - FCP: 8 bytes for a port name.
          - FCP: it is a zero-length octet string for a device name.
          - SRP: 16 bytes for a port name.
          - SRP: it is a zero-length octet string for a device name.
          - iSCSI: 256 bytes for a device name.
          - iSCSI: 258 bytes for a target port name.
          - iSCSI: 262 bytes for an initiator port name.


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          - SBP: it is a zero-length octet string for a device name.
          - SBP: 8 bytes for an initiator port name.
          - SBP: 11 bytes for a target port name. "
     REFERENCE
          "SCSI Architecture Model-2 (SAM-2),Working Draft, T10 Project
          1157-D, Revision 20, 19 September 2001 - Annex A [14]"
     SYNTAX OCTET STRING (SIZE (0..262))

ScsiNameIdOrZero  ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          " This Textual Convention represents either the SCSI name of a
          logical unit or a zero-length string.  Objects defined with
          this syntax must specify the meaning of the zero-length
          string.  The format of the name of a LU is:
          - a zero-length octet string or
          - a string of eight octets."
     SYNTAX OCTET STRING (SIZE (0 | 8))

ScsiDeviceOrPort ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This type specifies whether a particular configuration is
          applicable to a port or to a device."
     SYNTAX INTEGER  {
         device(1),
         port(2),
         other(3)
      }

ScsiIdCodeSet ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This Textual Convention specifies the code set for the
          identifier contained in an Identification Descriptor returned
          in a Logical Unit's Device Identification Page, and is
          formatted as defined in T10 SPC-2 (see REFERENCE) table 177 -
          Code Set"
     REFERENCE
          "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, 18
          July 2001 Chapter 8: section 8.4.4, page 210 Vital Product
          Data Parameters [16]"
     SYNTAX Unsigned32(0..15)

ScsiIdAssociation ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This Textual Convention specifies what the identifier is
          associated with (e.g, with the addressed physical/logical


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          device or with a particular port) for the identifier contained
          in an Identification Descriptor returned in a Logical Unit's
          Device Identification Page, and is formatted as defined in T10
          SPC-2 (see REFERENCE) table 178 - Association."
     REFERENCE
          "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, 18
          July 2001 - Chapter 8: section 8.4.4, page 210 Vital Product
          Data Parameters [16]"
     SYNTAX Unsigned32(0..3)

ScsiIdType ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This Textual Convention specifies the type for the identifier
          contained in an Identification Descriptor returned in a
          Logical Unit's Device Identification Page, and is formatted as
          defined in T10 SPC-2 (see REFERENCE) table 179 -Identifier
          Type."
     REFERENCE
          "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20,
          Chapter 8: section 8.4.4, page 210 Vital Product Data
          Parameters  [16]"
     SYNTAX Unsigned32(0..15)

ScsiIdValue ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "This Textual Convention represents an identifier. The objects
          of type ScsiIdCodeSet, ScsiIdAssociation, ScsiIdType, define
          together the format.
          The format is the same as contained in an Identification
          Descriptor returned in a Logical Unit's Device Identification
          Page, and is formatted as defined in T10 SPC-2 (see REFERENCE)
          tables 180-188."
          REFERENCE
          " ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, 18
          July 2001 - Chapter 8: section 8.4.4, page 210 Vital Product
          Data Parameters [16]"
     SYNTAX OCTET STRING (SIZE (0..255))

HrSWInstalledIndexOrZero ::= TEXTUAL-CONVENTION
     STATUS current
     DESCRIPTION
          "The index value for a software module's row in the Host
          Resources MIBs hrSWInstalledTable.  A zero value indicates
          that no row in the hrSWInstalledTable is applicable."
     REFERENCE
          "hrSWInstalledTable is defined in the Host Resources MIB, RFC
          2790."


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     SYNTAX   Integer32 (0..2147483647)


--****************** Structure of the MIB *************************
scsiObjects       OBJECT IDENTIFIER ::= { scsiModule 1 }
scsiNotifications OBJECT IDENTIFIER ::= { scsiModule 2 }
scsiConformance   OBJECT IDENTIFIER ::= { scsiModule 3 }

scsiTransportTypes   OBJECT IDENTIFIER ::= { scsiObjects 1 }
scsiGeneral       OBJECT IDENTIFIER ::= { scsiObjects 2 }
scsiInitiator     OBJECT IDENTIFIER ::= { scsiObjects 3 }
scsiTarget        OBJECT IDENTIFIER ::= { scsiObjects 4 }
scsiLogicalUnit   OBJECT IDENTIFIER ::= { scsiObjects 5 }


--****************** Transport Types *******************************
-- The following object identifiers allow determining the different
-- transports (service delivery subsystems) in use under the SCSI
-- layer.
scsiTransportOther   OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION
          "This identity identifies a transport that has no identity; it
          might happen because the transport is unknown or might not
          have been defined when this MIB was created."
::= { scsiTransportTypes 1 }

scsiTransportSPI     OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION
      "This identity identifies a parallel SCSI transport."
   REFERENCE
      "T10 - SCSI Parallel Interface - 4 (SPI-4) - #1365-D Rev [10]"
::= { scsiTransportTypes 2 }

scsiTransportFCP     OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION
      "This identity identifies a Fibre Channel Protocol for SCSI,
      Second Version."
   REFERENCE
      "T10 - SCSI Fibre Channel Protocol - 2 (FCP-2)- #1144-D Rev
      [07a]."
::= { scsiTransportTypes 3 }

scsiTransportSRP  OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION



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      "This identity identifies a protocol for transporting SCSI over
      RDMA interfaces, e.g., InfiniBand (tm)."
   REFERENCE
      "T10 - SCSI RDMA Protocol (SRP) - #1415-D Rev [16]."
::= { scsiTransportTypes 4 }

scsiTransportISCSI   OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION
      "This identity identifies an ISCSI transport."
   REFERENCE
      "IETF IPS Working Group - draft-ietf-ips-iscsi-19.txt"
::= { scsiTransportTypes 5 }

scsiTransportSBP  OBJECT-IDENTITY
   STATUS   current
   DESCRIPTION
      "This identity identifies the Serial Bus Protocol 3 (SBP-3)."
   REFERENCE
      "T10 - Serial Bus Protocol 3 (SBP-3)- #1467-D Rev [02a]."
::= { scsiTransportTypes 6 }


   --****************** Instance Table *******************************
scsiInstanceTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF ScsiInstanceEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "A list of SCSI instances present on the system.
     The SCSI Instance is the top-level entity, to which everything else
     belongs. An SNMP agent could represent more than one instance if it
     represents either a stack of devices, or virtual partitions of a
     larger device, or a host running multiple SCSI implementations from
     different vendors."
::= { scsiGeneral 1 }

scsiInstanceEntry OBJECT-TYPE
   SYNTAX         ScsiInstanceEntry
   MAX-ACCESS     not-accessible
   STATUS         current
   DESCRIPTION
     "An entry (row) containing management information applicable to a
     particular SCSI instance."
   INDEX { scsiInstIndex }
::= { scsiInstanceTable 1 }

ScsiInstanceEntry ::= SEQUENCE {
   scsiInstIndex              ScsiIndexValue,


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   scsiInstAlias              SnmpAdminString,
   scsiInstSoftwareIndex      HrSWInstalledIndexOrZero,
   scsiInstVendorVersion      SnmpAdminString,
   scsiInstScsiNotificationsEnable  TruthValue
}

scsiInstIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object represents an arbitrary integer used to uniquely
     identify a particular SCSI instance."
::= { scsiInstanceEntry 1 }

scsiInstAlias OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(0..79))
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object represents an administrative string, configured by the
     administrator. It can be a zero-length string."
::= { scsiInstanceEntry 2 }

scsiInstSoftwareIndex    OBJECT-TYPE
   SYNTAX      HrSWInstalledIndexOrZero
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "If this management instance corresponds to an installed software
     module, then this object's value is the value of the
     hrSWInstalledIndex of that module.  If there is no correspondence
     to an installed software module (or no module which has a
     hrSWInstalledIndex value), then the value of this object is zero."
   REFERENCE
     "hrSWInstalledIndex is defined in the Host Resources MIB, RFC
     2790."
::= { scsiInstanceEntry 3 }

scsiInstVendorVersion OBJECT-TYPE
   SYNTAX      SnmpAdminString
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents a text string set by the manufacturer
     describing the version of this instance.  The format of this string
     is determined solely by the manufacturer, and is for informational
     purposes only.  It is unrelated to the SCSI specification version
     numbers."


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::= { scsiInstanceEntry 4 }

scsiInstScsiNotificationsEnable  OBJECT-TYPE
   SYNTAX      TruthValue
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     " This object indicates whether notifications defined in this
      MIB will be sent."
   DEFVAL { true }
::= { scsiInstanceEntry 5 }


--******************** Device Table *******************************
scsiDeviceTable  OBJECT-TYPE
   SYNTAX           SEQUENCE OF ScsiDeviceEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "A list of SCSI Devices contained in each instance this agent is
     reporting."
::= { scsiGeneral 2 }

scsiDeviceEntry OBJECT-TYPE
   SYNTAX         ScsiDeviceEntry
   MAX-ACCESS     not-accessible
   STATUS         current
   DESCRIPTION
     "An entry (row) containing management information applicable to a
     particular SCSI Device included in this SCSI manageable instance."
   INDEX {scsiInstIndex, scsiDeviceIndex}
::= { scsiDeviceTable 1 }

ScsiDeviceEntry ::= SEQUENCE {
   scsiDeviceIndex      ScsiIndexValue,
   scsiDeviceAlias      SnmpAdminString,
   scsiDeviceRole       BITS,
   scsiDevicePortNumber Unsigned32,
   scsiDeviceResets     Counter32
}

scsiDeviceIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     " This object is an arbitrary integer used to uniquely identify a
     particular device within a particular SCSI instance."
::= { scsiDeviceEntry 1 }


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scsiDeviceAlias OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(0..79))
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object contains an administrative name for this device. If no
     name is assigned, the value of this object is the zero-length
     string."
::= { scsiDeviceEntry 2 }

scsiDeviceRole OBJECT-TYPE
   SYNTAX      BITS {
         target(0),
         initiator(1)
   }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object determines whether this device is acting as an
     initiator device, or as a target device or as both."
::= { scsiDeviceEntry 3 }

scsiDevicePortNumber OBJECT-TYPE
   SYNTAX      Unsigned32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of ports contained in this
     device."
::= { scsiDeviceEntry 4 }

scsiDeviceResets     OBJECT-TYPE
   SYNTAX      Counter32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of times that this device has
     reset."
::= { scsiDeviceEntry 5 }


--****************** Port Table ***********************************
scsiPortTable  OBJECT-TYPE
   SYNTAX  SEQUENCE OF ScsiPortEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "A list of SCSI Ports for each SCSI device in each instance."


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::= { scsiGeneral 3 }

scsiPortEntry OBJECT-TYPE
   SYNTAX            ScsiPortEntry
   MAX-ACCESS        not-accessible
   STATUS            current
   DESCRIPTION
     "An entry (row) containing management information applicable to a
     particular SCSI port of a particular SCSI device in a particular
     SCSI instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiPortIndex }
::= { scsiPortTable  1 }

ScsiPortEntry ::= SEQUENCE {
   scsiPortIndex        ScsiIndexValue,
   scsiPortRole         BITS,
   scsiPortTrnsptPtr    RowPointer,
   scsiPortBusyStatuses Counter32
}

scsiPortIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An arbitrary integer used to uniquely identify a particular port
     of a given device within a particular SCSI instance."
::= { scsiPortEntry 1 }

scsiPortRole OBJECT-TYPE
   SYNTAX      BITS {
         target(0),
         initiator(1)
   }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates whether this port is acting as an initiator
     port, or as a target port or as both."
::= { scsiPortEntry 2 }

scsiPortTrnsptPtr OBJECT-TYPE
   SYNTAX      RowPointer
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object is a pointer to the corresponding row in the
     scsiTrnsptTable. This row contains information on the transport
     like transport type and port name."


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::= { scsiPortEntry 3 }

scsiPortBusyStatuses OBJECT-TYPE
   SYNTAX      Counter32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of port busy status sent or
     received by this port. Note: Initiator ports only receive busy
     status and target ports only send busy status."
::= { scsiPortEntry 4 }


--******************** Table of supported transports ***************
scsiTrnsptTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF ScsiTrnsptEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table contains the device transport-specific information for
     each transport connected to each device in scsiDeviceTable."
::= { scsiGeneral 5 }

scsiTrnsptEntry OBJECT-TYPE
   SYNTAX      ScsiTrnsptEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry (row) containing parameters applicable to a transport
     used by a particular device of a particular SCSI manageable
     instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiTrnsptIndex}
::= { scsiTrnsptTable 1 }

ScsiTrnsptEntry ::= SEQUENCE {
   scsiTrnsptIndex   ScsiIndexValue,
   scsiTrnsptType    AutonomousType,
   scsiTrnsptPointer RowPointer,
   scsiTrnsptDevName ScsiName
}

scsiTrnsptIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An arbitrary integer used to uniquely identify a particular
     transport within a given device within a particular SCSI instance."
::= { scsiTrnsptEntry 1 }


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scsiTrnsptType OBJECT-TYPE
   SYNTAX      AutonomousType
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object identifies the transport type of this row of the
     transport table.  For example, if this object has the value
     scsiTransportFCP, then the identified transport is FCP."
::= { scsiTrnsptEntry 2 }

scsiTrnsptPointer OBJECT-TYPE
   SYNTAX      RowPointer
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents a pointer to a conceptual row in a
     'transport' MIB allowing a manager to get useful information for
     the transport described by this entry.
     For example, if the transport of this device is iSCSI, this object
     will point to the iSCSI Instance of the iSCSI MIB.
     If there is no MIB for this transport, this object has the value
     0.0."
::= { scsiTrnsptEntry 3 }

scsiTrnsptDevName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the name of this device in one of the
     format(s) appropriate for this type of transport."
::= { scsiTrnsptEntry 4 }


--******************** Initiator Device Table ******************
scsiIntrDevTable  OBJECT-TYPE
   SYNTAX           SEQUENCE OF ScsiIntrDevEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "This table contains information for each local initiator device in
     each instance."
::= { scsiInitiator 1}

scsiIntrDevEntry OBJECT-TYPE
   SYNTAX           ScsiIntrDevEntry
   MAX-ACCESS       not-accessible
   STATUS           current


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   DESCRIPTION
     "An entry (row) containing information applicable to an initiator
     device within a particular SCSI instance."
   INDEX { scsiInstIndex, scsiDeviceIndex }
::= { scsiIntrDevTable  1 }

ScsiIntrDevEntry ::= SEQUENCE {
   scsiIntrDevTgtAccessMode   INTEGER,
   scsiIntrDevOutResets       Counter32
}

scsiIntrDevTgtAccessMode   OBJECT-TYPE
   SYNTAX      INTEGER {
         unknown(1),
         autoEnable(2),
         manualEnable(3)
   }
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object controls whether a discovered target is immediately
     authorized or not:
         -  autoEnable (2) means that when an initiator discovers a
         target, it can use it immediately,
         - manualEnable (3) means that the initiator must wait for an
         operator to set scsiIntrDscTgtConfigured = true before it is
         authorized."
::= { scsiIntrDevEntry 1 }

scsiIntrDevOutResets OBJECT-TYPE
   SYNTAX      Counter32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of resets sent by this
     initiator."
::= { scsiIntrDevEntry 2 }


-- The following section describes managed objects related to
-- initiator ports.

scsiIntrPortTable OBJECT-TYPE
   SYNTAX          SEQUENCE OF ScsiIntrPortEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This table contains all the initiator ports for each local SCSI
     Initiator or Target/Initiator devices in each SCSI instance."


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::= { scsiInitiator 3 }

scsiIntrPortEntry OBJECT-TYPE
   SYNTAX          ScsiIntrPortEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "An entry (row) containing information applicable to a particular
     initiator port of a particular device within a SCSI instance. "
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiPortIndex }
::= { scsiIntrPortTable 1 }

ScsiIntrPortEntry ::= SEQUENCE {
   scsiIntrPortName           ScsiName,
   scsiIntrPortIdentifier     ScsiIdentifier,
   scsiIntrPortOutCommands    Counter32,
   scsiIntrPortWrittenMegaBytes  Counter32,
   scsiIntrPortReadMegaBytes  Counter32,
   scsiIntrPortHSOutCommands  Counter64
}

scsiIntrPortName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the name of the port assigned for use by
     the SCSI protocol. The format will depend on the type of transport
     this port is using."
::= { scsiIntrPortEntry 1 }

scsiIntrPortIdentifier OBJECT-TYPE
   SYNTAX      ScsiIdentifier
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the identifier of the port in one of the
     format(s) appropriate for the type of transport in use."
::= { scsiIntrPortEntry 2 }

scsiIntrPortOutCommands OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands sent by this
     initiator port."
::= { scsiIntrPortEntry 3 }


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scsiIntrPortWrittenMegaBytes  OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of data in Megabytes sent by
     this initiator port."
::= { scsiIntrPortEntry 4 }

scsiIntrPortReadMegaBytes  OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of data in Megabytes received by
     this initiator port."
::= { scsiIntrPortEntry 5 }

scsiIntrPortHSOutCommands  OBJECT-TYPE
   SYNTAX      Counter64
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands sent by this
     initiator device. This object provides support for systems which
     can quickly generate a large number of commands because they run at
     high speed."
::= { scsiIntrPortEntry 6 }


--******************** Discovered Target group ******************
scsiRemoteTarget OBJECT IDENTIFIER ::= { scsiInitiator 4 }

-- Targets discovered or authorized to attach each of the initiator
-- ports of each initiator device of each instance.

scsiDscTgtTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF ScsiDscTgtEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table includes all the remote (not in the local system)
     target ports that are authorized to attach to each local initiator
     port of this SCSI instance."
::= { scsiRemoteTarget 1 }


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scsiDscTgtEntry OBJECT-TYPE
   SYNTAX         ScsiDscTgtEntry
   MAX-ACCESS     not-accessible
   STATUS         current
   DESCRIPTION
     "Each entry (row) contains information about the target device or
     port to which this initiator port (or all initiator ports in the
     initiator entry indexed by scsiInstIndex, scsiDeviceIndex) will
     attempt to attach.  The entry is either for all local ports (if
     scsiDscTgtIntrPortIndex is zero), or only for the specific
     initiator port identified by scsiDscTgtIntrPortIndex. Note that if
     an entry in this table is deleted, any corresponding entries in the
     scsiDscLunsTable must be deleted as well."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiDscTgtIntrPortIndex,
   scsiDscTgtIndex }
::= { scsiDscTgtTable 1 }

ScsiDscTgtEntry ::= SEQUENCE {
   scsiDscTgtIntrPortIndex ScsiPortIndexValueOrZero,
   scsiDscTgtIndex         ScsiIndexValue,
   scsiDscTgtDevOrPort     ScsiDeviceOrPort,
   scsiDscTgtName          ScsiName,
   scsiDscTgtConfigured    TruthValue,
   scsiDscTgtDiscovered    TruthValue,
   scsiDscTgtInCommands    Counter32,
   scsiDscTgtWrittenMegaBytes Counter32,
   scsiDscTgtReadMegaBytes Counter32,
   scsiDscTgtHSInCommands  Counter64,
   scsiDscTgtLastCreation  TimeStamp,
   scsiDscTgtRowStatus     RowStatus
}

scsiDscTgtIntrPortIndex OBJECT-TYPE
   SYNTAX      ScsiPortIndexValueOrZero
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object relates to a particular local device within a
     particular SCSI instance and specifies:
     - the index of the local SCSI initiator port,
     - or zero, if this entry refers to the local device and therefore
     refers to all the local initiator ports."
::= { scsiDscTgtEntry 1 }

scsiDscTgtIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current


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   DESCRIPTION
     "This object is an arbitrary integer used to uniquely identify a
     particular target either discovered by, or configured for use with,
     one or more ports scsiDscTgtName of a particular device within a
     particular SCSI instance. "
::= { scsiDscTgtEntry 2 }

scsiDscTgtDevOrPort OBJECT-TYPE
   SYNTAX      ScsiDeviceOrPort
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object indicates whether this entry describes a configured
     target device name (and applies to all ports on the identified
     target) or an individual target port."
::= { scsiDscTgtEntry 3 }

scsiDscTgtName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object represents the name of this configured or discovered
     target device or port depending on the value of
     scsiDscTgtDevOrPort."
   ::= { scsiDscTgtEntry 4 }

scsiDscTgtConfigured OBJECT-TYPE
   SYNTAX      TruthValue
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object means:
      -true(1): this entry has been configured by an administrator
      -false(2): this entry has been added from a discovery mechanism
     (eg. SendTargets, SLP, iSNS).
     An administrator can modify this value from false to true."
   DEFVAL { true }
::= { scsiDscTgtEntry 5 }

scsiDscTgtDiscovered OBJECT-TYPE
   SYNTAX      TruthValue
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object means:
      -true(1): this entry has been discovered by the SCSI instance as
      result of an automatic discovery process.
      -false(2):this entry has been added by manual configuration.


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     This entry is read-only because an administrator cannot change it.
     Note that it is an implementation decision to determine how long to
     retain a row with configured=false, such as when the target is no
     longer visible/accessible to the local initiator."
::= { scsiDscTgtEntry 6 }

scsiDscTgtInCommands OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received from this
     target port or device."
::= { scsiDscTgtEntry 7 }

scsiDscTgtWrittenMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of megabytes of data sent as the
     result of WRITE commands to this target port or device."
::= { scsiDscTgtEntry 8 }

scsiDscTgtReadMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of megabytes received as the
     result of READ commands to this target port or device."
::= { scsiDscTgtEntry 9 }

scsiDscTgtHSInCommands OBJECT-TYPE
   SYNTAX      Counter64
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received by this
     target port or device. This object provides support for systems
     which can quickly generate a large number of commands because they
     run at high speed."
::= { scsiDscTgtEntry 10 }

scsiDscTgtLastCreation OBJECT-TYPE


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   SYNTAX      TimeStamp
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the value of sysUpTime when this row was
     created."
::= { scsiDscTgtEntry 11 }

scsiDscTgtRowStatus OBJECT-TYPE
   SYNTAX      RowStatus
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object allows an administrator to configure dynamically a new
     entry in this table via SNMP or eventually delete it.
     An administrator is not allowed to delete an entry for which the
     value of the object scsiIntrDscTgtDiscovered is equal to true.
     Note that when an entry in this table is deleted, then any
     corresponding entries in the scsiDscLunsTable must also be
     automatically deleted. "
::= { scsiDscTgtEntry 12 }


--********************** LUNs discovered **************************
scsiDscLunTable OBJECT-TYPE
   SYNTAX          SEQUENCE OF ScsiDscLunEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This table includes all the remote (not in the local system)
     logical unit numbers (LUNs) discovered via each local initiator
     port of each local device within a particular SCSI instance."
::= { scsiRemoteTarget 2 }

scsiDscLunEntry OBJECT-TYPE
   SYNTAX          ScsiDscLunEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "An entry (row) represents a discovered LUN at a particular SCSI
     target device (scsiDscTgtIndex), where the LUN was discovered by a
     particular local initiator device within a particular SCSI
     instance, possibly via a particular local initiator port.
     Note that when an entry in the scsiDscTgtTable is deleted, all
     corresponding entries in this table should automatically be
     deleted."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiDscTgtIntrPortIndex,
   scsiDscTgtIndex, scsiDscLunIndex }
::= { scsiDscLunTable 1 }


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ScsiDscLunEntry ::= SEQUENCE {
   scsiDscLunIndex   ScsiIndexValue,
   scsiDscLunLun     ScsiLUN
}

scsiDscLunIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object is an arbitrary integer used to uniquely identify a
     particular LUN discovered by a particular SCSI initiator port or a
     particular SCSI initiator device within a particular SCSI instance.
     Entries in the scsiDscLunIdTable are associated with a LUN by
     having the value of this object in their INDEX."
::= { scsiDscLunEntry 1 }

scsiDscLunLun  OBJECT-TYPE
   SYNTAX      ScsiLUN
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object contains the Logical Unit Number (LUN) of the
     discovered logical unit."
::= { scsiDscLunEntry 2 }


--******************** LU Identifiers discovered ******************
scsiDscLunIdTable OBJECT-TYPE
   SYNTAX          SEQUENCE OF ScsiDscLunIdEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This table includes all the known LU Identifiers of the remote
     (not in the local system) logical units discovered via each local
     initiator port or device of this SCSI instance."
::= { scsiRemoteTarget 3 }

scsiDscLunIdEntry OBJECT-TYPE
   SYNTAX           ScsiDscLunIdEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "An entry (row) represents the LU Identifier of a discovered LUN at
     a particular SCSI target device (scsiDscTgtIndex), where the LUN
     was discovered by a particular local initiator device within a
     particular SCSI instance, possibly via a particular local initiator
     port."


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   INDEX { scsiInstIndex, scsiDeviceIndex, scsiDscTgtIntrPortIndex,
   scsiDscTgtIndex, scsiDscLunIndex, scsiDscLunIdIndex }
::= { scsiDscLunIdTable 1 }

ScsiDscLunIdEntry ::= SEQUENCE {
   scsiDscLunIdIndex       ScsiIndexValue,
   scsiDscLunIdCodeSet     ScsiIdCodeSet,
   scsiDscLunIdAssociation ScsiIdAssociation,
   scsiDscLunIdType        ScsiIdType,
   scsiDscLunIdValue       ScsiIdValue
}

scsiDscLunIdIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object is an arbitrary integer used to uniquely identify a
     particular LUN Identifier discovered by each SCSI initiator device
     or particular SCSI initiator port within a particular SCSI
     instance."
::= { scsiDscLunIdEntry 1 }

scsiDscLunIdCodeSet OBJECT-TYPE
   SYNTAX          ScsiIdCodeSet
   MAX-ACCESS      read-only
   STATUS          current
   DESCRIPTION
     "This object specifies the code set in use with this identifier.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2),Revision 20,  Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters [16]"
::= { scsiDscLunIdEntry 2 }

scsiDscLunIdAssociation OBJECT-TYPE
   SYNTAX          ScsiIdAssociation
   MAX-ACCESS      read-only
   STATUS          current
   DESCRIPTION
     "This object specifies what the identifier is associated with (e.g,
     with the addressed physical/logical device or with a particular
     port).  The value is represented in the same format as is contained
     in the identifier's Identification Descriptor within the Logical
     Unit's Device Identification Page."
   REFERENCE



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     "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters [16]"
::= { scsiDscLunIdEntry 3 }

scsiDscLunIdType OBJECT-TYPE
   SYNTAX          ScsiIdType
   MAX-ACCESS      read-only
   STATUS          current
   DESCRIPTION
     "This object specifies the type of the identifier.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters  [16]"
::= { scsiDscLunIdEntry 4 }

scsiDscLunIdValue OBJECT-TYPE
   SYNTAX         ScsiIdValue
   MAX-ACCESS     read-only
   STATUS         current
   DESCRIPTION
     "This object represents the actual value of this identifier. The
     format is defined by the objects scsiDscLunIdCodeSet,
     scsiDscLunIdAssociation, scsiDscLunIdType.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Chapter 8: section
     8.4.4, page 210 Vital Product Data Parameters  [16]"
::= { scsiDscLunIdEntry 5 }

--******* Table of Targets Attached to local Initiator Ports *******
scsiAttTgtPortTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiAttTgtPortEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table includes all the remote (not in the local system)
     target ports that are currently attached to each local initiator
     port of this SCSI instance."
::= { scsiRemoteTarget 6 }

scsiAttTgtPortEntry OBJECT-TYPE
   SYNTAX           ScsiAttTgtPortEntry
   MAX-ACCESS       not-accessible
   STATUS           current


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   DESCRIPTION
     "An entry (row) represents a remote target port
     (scsiAttTgtPortIndex) currently attached to a particular initiator
     port (scsiPortIndex) of a particular SCSI initiator device within a
     particular SCSI instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiPortIndex,
   scsiAttTgtPortIndex }
::= { scsiAttTgtPortTable 1 }

ScsiAttTgtPortEntry ::= SEQUENCE {
   scsiAttTgtPortIndex     ScsiIndexValue,
   scsiAttTgtPortDscTgtIdx ScsiIndexValueOrZero,
   scsiAttTgtPortName      ScsiName,
   scsiAttTgtPortIdentifier   ScsiIdentifier
}

scsiAttTgtPortIndex  OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An arbitrary integer used to uniquely identify a particular target
     currently attached to a particular SCSI initiator port of a
     particular SCSI initiator device within a particular SCSI
     instance."
::= { scsiAttTgtPortEntry 1 }

scsiAttTgtPortDscTgtIdx OBJECT-TYPE
   SYNTAX      ScsiIndexValueOrZero
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object contains the value of the scsiAttTgtPortIndex index
     variable for the row in the scsiDscTgtTable representing this
     currently attached target port.  If the currently attached target
     port is not represented in the scsiDscTgtTable, then the value of
     this object is zero."
::= { scsiAttTgtPortEntry 2 }

scsiAttTgtPortName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object contains the name of the attached target port."
::= { scsiAttTgtPortEntry 3 }

scsiAttTgtPortIdentifier OBJECT-TYPE
   SYNTAX      ScsiIdentifier


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   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object contains the identifier of the attached target port."
::= { scsiAttTgtPortEntry 4 }


-- *******************************************************************
-- ***** Table of targets for target SCSI devices
--
scsiTgtDevTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiTgtDevEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This table contains information about each local target device."
::= { scsiTarget 1 }

scsiTgtDevEntry OBJECT-TYPE
   SYNTAX           ScsiTgtDevEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "An entry (row) containing information applicable to a particular
     local target device within a particular SCSI instance. "
   INDEX { scsiInstIndex, scsiDeviceIndex }
::= { scsiTgtDevTable 1 }

ScsiTgtDevEntry ::= SEQUENCE {
   scsiTgtDevNumberOfLUs   Gauge32,
   scsiTgtDeviceStatus     INTEGER,
   scsiTgtDevNonAccessibleLUs Gauge32
}

scsiTgtDevNumberOfLUs OBJECT-TYPE
   SYNTAX      Gauge32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object is the number of Logical Units accessible via this
     local target device."
::= { scsiTgtDevEntry 1 }

scsiTgtDeviceStatus  OBJECT-TYPE
   SYNTAX      INTEGER {
      unknown(1),
      available(2),
      broken(3),
      readying(4),


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      abnormal(5),
      nonAddrFailure(6),
      nonAddrFailReadying(7),
      nonAddrFailAbnormal(8)
   }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the status of this SCSI device, summarizing
     the state of both the addressable devices (i.e., the logical units)
     and the non-addressable devices within this SCSI device:
          - unknown(1): This value is used when the status cannot be
          determined
          - available(2): All addressable and non-addressable devices
          within the SCSI device are fully operational (i.e., no logical
          units have an abnormal status).
          - broken(3): The SCSI device is not operational and cannot be
          made operational without external intervention.
          - readying(4): One or more logical units within the SCSI
          device are being initialized and access to the SCSI device is
          temporarily limited (i.e., one or more of the logical unit
          have a readying status).
          - abnormal(5): One or more addressable devices within the SCSI
          device are indicating a status other than available;
          nevertheless, the SCSI device is operational (i.e., one or
          more of the logical units have an abnormal status).
          - nonAddrFailure(6): One or more non-addressable devices
          within the SCSI device have failed; nevertheless, the SCSI
          device is operational (i.e., no logical units have an abnormal
          or readying status).
          - nonAddrFailReadying(7): One or more non-addressable devices
          within the SCSI device have failed; nevertheless,one or more
          logical units within the SCSI device are being initialized and
          access to the SCSI device is temporarily limited.
          - nonAddrFailAbnormal(8): One or more non-addressable devices
          within the SCSI device have failed and one or more addressable
          devices within the SCSI device are indicating a status other
          than available however the SCSI device is operational.
     "
   REFERENCE
     "SCSI Controller Commands-2 (SCC-2) standard NCITS.318-1998
     6.3.1.8 REPORT STATES service action"
::= { scsiTgtDevEntry 2}

scsiTgtDevNonAccessibleLUs OBJECT-TYPE
   SYNTAX      Gauge32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION


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     "This object is the number of Logical Units existing but not
     currently accessible via this local target device."
::= { scsiTgtDevEntry 3 }

--******************** Target Port Table ***************************
scsiTgtPortTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiTgtPortEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table includes all the local target ports of all the local
     target devices."
::= { scsiTarget 2 }

scsiTgtPortEntry OBJECT-TYPE
   SYNTAX   ScsiTgtPortEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry (row) containing information applicable to a particular
     local target port of a particular local target device within a
     particular SCSI instance. "
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiPortIndex}
::= { scsiTgtPortTable 1 }

ScsiTgtPortEntry ::= SEQUENCE {
   scsiTgtPortName         ScsiName,
   scsiTgtPortIdentifier   ScsiIdentifier,
   scsiTgtPortInCommands   Counter32,
   scsiTgtPortWrittenMegaBytes   Counter32,
   scsiTgtPortReadMegaBytes   Counter32,
   scsiTgtPortHSInCommands Counter64
}

scsiTgtPortName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the name of the port assigned for use in
     the SCSI protocol."
::= { scsiTgtPortEntry 1 }

scsiTgtPortIdentifier OBJECT-TYPE
   SYNTAX      ScsiIdentifier
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION



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     "This object represents the identifier of the port in one of the
     format(s) appropriate for the type of transport."
::= { scsiTgtPortEntry 2 }

scsiTgtPortInCommands OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received by this
     target port."
::= { scsiTgtPortEntry 3 }

scsiTgtPortWrittenMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of data written in Megabytes by
     this target port."
::= { scsiTgtPortEntry 4 }

scsiTgtPortReadMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of data read in Megabytes by
     this target port."
::= { scsiTgtPortEntry 5 }

scsiTgtPortHSInCommands OBJECT-TYPE
   SYNTAX      Counter64
   UNITS    "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received. This
     object provides support for systems that can quickly generate a
     large number of commands because they run at high speed."
::= { scsiTgtPortEntry 6 }

scsiRemoteInitiators OBJECT IDENTIFIER ::= { scsiTarget 3 }

-- The scsiAuthorizedIntrTable contains the list of remote initiator
-- ports that are authorized to be attached specific target ports


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-- and on which an administrator would like to keep permanent
-- information and long term statistics even when not currently
-- attached.

scsiAuthorizedIntrTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiAuthorizedIntrEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table includes all the authorized initiator devices or ports
     that may attach a target device (ScsiAuthIntrTgtPortIndex = 0) or
     port (ScsiAuthIntrTgtPortIndex different than 0) of the local SCSI
     instance. Statistics are kept for each such authorization; thus,
     the authorizations should be configured in the manner, which will
     cause the desired set of statistics to be collected and that will
     determine the correct LUN map."
::= { scsiRemoteInitiators 1 }

scsiAuthorizedIntrEntry OBJECT-TYPE
   SYNTAX      ScsiAuthorizedIntrEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry (row) represents a remote initiator port or remote
     initiator device that may attach to the local target port or device
     within a particular SCSI instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiAuthIntrTgtPortIndex,
   scsiAuthIntrIndex }
::= { scsiAuthorizedIntrTable 1 }

ScsiAuthorizedIntrEntry ::= SEQUENCE {
   scsiAuthIntrTgtPortIndex   ScsiPortIndexValueOrZero,
   scsiAuthIntrIndex          ScsiIndexValue,
   scsiAuthIntrDevOrPort      ScsiDeviceOrPort,
   scsiAuthIntrName           ScsiName,
   scsiAuthIntrLunMapIndex    ScsiIndexValueOrZero,
   scsiAuthIntrAttachedTimes  Counter32,
   scsiAuthIntrOutCommands    Counter32,
   scsiAuthIntrReadMegaBytes  Counter32,
   scsiAuthIntrWrittenMegaBytes  Counter32,
   scsiAuthIntrHSOutCommands  Counter64,
   scsiAuthIntrLastCreation   TimeStamp,
   scsiAuthIntrRowStatus      RowStatus
}


scsiAuthIntrTgtPortIndex OBJECT-TYPE
   SYNTAX      ScsiPortIndexValueOrZero
   MAX-ACCESS  not-accessible


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   STATUS      current
   DESCRIPTION
     "This object contains either the index of the port, or zero to
     indicate any port, on the particular local target device."
::= { scsiAuthorizedIntrEntry 1 }

scsiAuthIntrIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object is an arbitrary integer used to uniquely identify a
     SCSI initiator which is authorized to attach to a particular local
     target device or port of a particular SCSI instance."
::= { scsiAuthorizedIntrEntry 2 }

scsiAuthIntrDevOrPort OBJECT-TYPE
   SYNTAX      ScsiDeviceOrPort
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object specifies whether this entry refers to a remote
     initiator port or to a device.
     A value of device(1) means that the authorized remote initiator is
     a device and includes all of its ports.
     A value of port(2) means that the authorized remote initiator is a
     port."
::= { scsiAuthorizedIntrEntry 3 }

scsiAuthIntrName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object represents the name of the remote initiator device or
     port authorized by this row."
::= { scsiAuthorizedIntrEntry 4 }

scsiAuthIntrLunMapIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValueOrZero
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object identifies the set of entries in the scsiLunMapTable
     for which scsiLunMapIndex has the same value as the value of this
     object.  The identified set of entries constitute the LUN map to be
     used for accessing logical units when the remote initiator port or
     device corresponding to this entry is attached to any local target
     port or device corresponding to this entry.


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     Note that this object has a value of zero if this entry should use
     the default LUN map."
::= { scsiAuthorizedIntrEntry 5 }

scsiAuthIntrAttachedTimes  OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "Times"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the number of times that this remote
     initiator has transitioned from unattached to attached to this
     local target device or port."
::= { scsiAuthorizedIntrEntry 6 }

scsiAuthIntrOutCommands OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the number of commands that the remote
     initiator corresponding to this entry has sent to the local target
     device or port corresponding to this entry."
::= { scsiAuthorizedIntrEntry 7 }

scsiAuthIntrReadMegaBytes  OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the amount of data in Megabytes that the
     remote initiator corresponding to this entry has read from the
     local target device or port corresponding to this entry."
::= { scsiAuthorizedIntrEntry 8 }

scsiAuthIntrWrittenMegaBytes  OBJECT-TYPE
   SYNTAX      Counter32
   UNITS    "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the amount of data in Megabytes that the
     remote initiator corresponding to this entry has written to the
     local target device or port corresponding to this entry."
::= { scsiAuthorizedIntrEntry 9}

scsiAuthIntrHSOutCommands  OBJECT-TYPE


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   SYNTAX      Counter64
   UNITS    "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands sent by the remote
     initiator corresponding to this entry to the local target device or
     port corresponding to this entry. This object provides support for
     systems which can quickly generate a large number of commands
     because they run at high speed."
::= { scsiAuthorizedIntrEntry 10 }

scsiAuthIntrLastCreation OBJECT-TYPE
   SYNTAX      TimeStamp
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the value of sysUpTime when this row was
     last created."
::= { scsiAuthorizedIntrEntry 11 }

scsiAuthIntrRowStatus OBJECT-TYPE
   SYNTAX      RowStatus
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object allows an administrator to create or delete this
     entry."
::= { scsiAuthorizedIntrEntry 12 }


--****** Table of Initiators Attached to local Target Ports ********
scsiAttIntrPortTable OBJECT-TYPE
   SYNTAX  SEQUENCE OF ScsiAttIntrPortEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This table includes all the remote initiator ports that are
     currently attached to a local target port of all local devices
     within all SCSI instances."
::= { scsiRemoteInitiators 2 }

scsiAttIntrPortEntry OBJECT-TYPE
   SYNTAX          ScsiAttIntrPortEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION




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     "An entry (row) represents a remote initiator currently attached to
     a particular local target port of a particular target device of a
     particular SCSI instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiPortIndex,
   scsiAttIntrPortIndex }
::= { scsiAttIntrPortTable 1 }

ScsiAttIntrPortEntry ::= SEQUENCE {
   scsiAttIntrPortIndex    ScsiIndexValue,
   scsiAttIntrPortAuthIntrIdx ScsiIndexValueOrZero,
   scsiAttIntrPortName     ScsiName,
   scsiAttIntrPortId    ScsiIdentifier
}

scsiAttIntrPortIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object represents an arbitrary integer used to uniquely
     identify a particular attached remote initiator port to a
     particular target port within a particular SCSI target device
     within a particular SCSI instance."
::= { scsiAttIntrPortEntry 1 }

scsiAttIntrPortAuthIntrIdx OBJECT-TYPE
   SYNTAX      ScsiIndexValueOrZero
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object is the corresponding index in the
     scsiAuthorizedIntrTable for this current attached remote initiator
     or zero if this remote attached initiator is not configured in that
     table."
::= { scsiAttIntrPortEntry 2 }

scsiAttIntrPortName OBJECT-TYPE
   SYNTAX      ScsiName
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the name of the remote initiator attached
     to this local target port."
::= { scsiAttIntrPortEntry 3 }

scsiAttIntrPortId OBJECT-TYPE
   SYNTAX      ScsiIdentifier
   MAX-ACCESS  read-only
   STATUS      current


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   DESCRIPTION
     "This object represents the identifier of the remote initiator
     attached to this local target port."
::= { scsiAttIntrPortEntry 4 }

--****************** Managed Objects regarding logical units *******
scsiLuTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiLuEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table contains the logical units exposed by local target
     devices.
     It includes attributes for the WWN, scsiLuVendorId,
     scsiLuProductId, and scsiLuRevisionId, which may also appear in the
     scsiLuIdTable. If an implementation exposes a WWN as a LuIdTable
     entry, it must match the scsiLuWwnName in this table.  If an
     implementation exposes a (vendor, product, revision) identifier as
     an LuIdTable entry, each of these fields must match the
     scsiLuVendorId, scsiLuProductId, and scsiLuRevisionId attributes in
     this table."
::= { scsiLogicalUnit 1 }

scsiLuEntry OBJECT-TYPE
   SYNTAX      ScsiLuEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry (row) contains information applicable to a particular
     logical unit of a particular local target device within a
     particular SCSI instance. "
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiLuIndex}
::= { scsiLuTable 1 }

ScsiLuEntry ::= SEQUENCE {
   scsiLuIndex          ScsiIndexValue,
   scsiLuDefaultLun     ScsiLUN,
   scsiLuWwnName        ScsiNameIdOrZero,
   scsiLuVendorId       SnmpAdminString,
   scsiLuProductId      SnmpAdminString,
   scsiLuRevisionId     SnmpAdminString,
   scsiLuPeripheralType Unsigned32,
   scsiLuStatus         INTEGER,
   scsiLuState          BITS,
   scsiLuInCommands     Counter32,
   scsiLuReadMegaBytes  Counter32,
   scsiLuWrittenMegaBytes     Counter32,
   scsiLuInResets       Counter32,
   scsiLuOutTaskSetFullStatus    Counter32,


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   scsiLuHSInCommands   Counter64
}

scsiLuIndex OBJECT-TYPE
   SYNTAX      ScsiIndexValue
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object represents an arbitrary integer used to uniquely
     identify a particular logical unit within a particular SCSI target
     device within a particular SCSI instance."
::= { scsiLuEntry 1 }

scsiLuDefaultLun OBJECT-TYPE
   SYNTAX      ScsiLUN
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the default Logical Unit Number (LUN) for
     this logical unit; if an initiator has not been configured to view
     this Logical Unit via an entry in the ScsiLunMapTable, the LU will
     be visible as scsiLuDefaultLun.  If this Logical Unit does not have
     a default LUN, it will only be visible if specified via the
     ScsiLunMapTable, and this object will contain a zero-length
     string."
::= { scsiLuEntry 2 }

scsiLuWwnName OBJECT-TYPE
   SYNTAX      ScsiNameIdOrZero
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the World-Wide Name of this LU.
     If there is no WWN for this LU, this object will contain a zero-
     length string."
::= { scsiLuEntry 3 }

scsiLuVendorId OBJECT-TYPE
   SYNTAX      SnmpAdminString
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents a string identifying the vendor of this LU
     as reported in the Standard INQUIRY data."
::= { scsiLuEntry 4 }

scsiLuProductId OBJECT-TYPE
   SYNTAX      SnmpAdminString
   MAX-ACCESS  read-only


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   STATUS      current
   DESCRIPTION
     "This object represents a string identifying the product for this
     LU as reported in the Standard INQUIRY data."
::= { scsiLuEntry 5 }

scsiLuRevisionId OBJECT-TYPE
   SYNTAX      SnmpAdminString
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents a string defining the product revision of
     this LU as reported in the Standard INQUIRY data."
::= { scsiLuEntry 6 }

scsiLuPeripheralType OBJECT-TYPE
   SYNTAX      Unsigned32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object is the value returned by SCSI Standard INQUIRY data.
     It can be: direct-access device, sequential-access device, printer,
     communication device and so on.
     The values that can be returned here are defined in SCSI Primary
     Commands -2."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), T10 Project 1236-D,
     Revision 20, 18 July 2001  [16]"
::= { scsiLuEntry 7 }

scsiLuStatus   OBJECT-TYPE
   SYNTAX      INTEGER {
      unknown(1),
      available(2),
      notAvailable(3),
      broken(4),
      readying(5),
      abnormal(6)
   }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the status of this logical unit:
       - unknown(1): The status of this logical unit cannot be
       determined.
       - available(2): The logical unit is fully operational (i.e.,
       accepts media access SCSI commands and has no state information
       to report).



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       - notAvailable(3): The logical unit is capable of being supported
       but not available (i.e., no logical unit is currently present or
       the logical unit is present but not configured for use).
       - broken(4): The logical unit has failed and cannot respond to
       SCSI commands.
       - readying(5): The logical unit is being initialized and access
       is temporarily limited.
       - abnormal(6): The logical unit has state information available
       that indicates it is operating with limits. The scsiLuState
       indicates what those limits are.
     "
   REFERENCE
     "SCSI Controller Commands-2 (SCC-2) standard NCITS.318-1998
     6.3.1.8 REPORT STATES service action"
::= { scsiLuEntry 8 }

scsiLuState OBJECT-TYPE
   SYNTAX      BITS {
      dataLost(0),
      dynamicReconfigurationInProgress(1),
      exposed(2),
      fractionallyExposed(3),
      partiallyExposed(4),
      protectedRebuild(5),
      protectionDisabled(6),
      rebuild(7),
      recalculate(8),
      spareInUse(9),
      verifyInProgress(10)
   }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the state of a logical unit and its meaning
     is according the bit position:
          0 Data lost: Within the logical unit data has been lost.
          1 Dynamic reconfiguration in progress: The logical unit is
               being reconfigured. In this state all data is still
               protected.
          2 Exposed: Within the logical unit data is not protected. In
               this state all data is still valid, however, loss of
               data/data-availability is unavoidable in the event of a
               failure.
          3 Fractionally exposed: Within the logical unit part of the
               data is not protected. In this state all data is still
               valid, however, a failure may cause a loss of data or a
               loss of data availability.




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          4 Partially exposed: Within the logical unit one or more
               underlying storage devices have failed. In this state all
               data is still protected.
          5 Protected rebuild: The logical unit is in the process of a
               rebuild operation. In this state all data is protected.
          6 Protection disabled: Within the logical unit the data
               protection method has been disabled.
               In this state all data is still valid, however, however,
               loss of data/data-availability is unavoidable in the
               event of a failure.
          7 Rebuild: The data protection method is in the process of
               rebuilding data. In this state data is not protected.
          8 Recalculate: The logical unit is in the process of a
               recalculate operation.
          9 Spare in use: Within the logical unit a storage device in
               full or part being used to store data. In this state all
               data is still protected.
          10   Verify in progress: Within the logical unit data is being
               verified."
     REFERENCE
      "SCSI Controller Commands-2 (SCC-2) standard NCITS.318-1998
      6.3.1.8 REPORT STATES service action"
::= { scsiLuEntry 9 }

scsiLuInCommands OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received by this
     logical unit."
::= { scsiLuEntry 10 }

scsiLuReadMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the amount of data in Megabytes read from
     this logical unit."
::= { scsiLuEntry 11 }

scsiLuWrittenMegaBytes OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "Megabytes"
   MAX-ACCESS  read-only
   STATUS      current


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   DESCRIPTION
     "This object represents the amount of data in Megabytes written to
     this logical unit."
::= { scsiLuEntry 12 }

scsiLuInResets OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "resets"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of resets received by this
     logical unit."
::= { scsiLuEntry 13 }

scsiLuOutTaskSetFullStatus    OBJECT-TYPE
   SYNTAX      Counter32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of Task Set full statuses issued
     for this logical unit."
::= { scsiLuEntry 14 }

scsiLuHSInCommands OBJECT-TYPE
   SYNTAX      Counter64
   UNITS       "commands"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object represents the number of commands received by this
     logical unit. This object provides support for systems that can
     quickly generate a large number of commands because they run at
     high speed."
::= { scsiLuEntry 15 }


--****************** Logical Unit Identifier Table *****************
scsiLuIdTable OBJECT-TYPE
   SYNTAX  SEQUENCE OF ScsiLuIdEntry
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "A table of identifiers for all logical units exposed by local
     targets device."
::= { scsiLogicalUnit 2 }

scsiLuIdEntry OBJECT-TYPE
   SYNTAX      ScsiLuIdEntry


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   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry (row) containing information applicable to a particular
     identifier for a particular logical unit of a particular target
     device within a particular SCSI instance. "
   INDEX {scsiInstIndex, scsiDeviceIndex, scsiLuIndex, scsiLuIdIndex}
::= { scsiLuIdTable 1 }

ScsiLuIdEntry ::= SEQUENCE {
   scsiLuIdIndex        ScsiIndexValue,
   scsiLuIdCodeSet      ScsiIdCodeSet,
   scsiLuIdAssociation  ScsiIdAssociation,
   scsiLuIdType         ScsiIdType,
   scsiLuIdValue        ScsiIdValue
}

scsiLuIdIndex  OBJECT-TYPE
   SYNTAX          ScsiIndexValue
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "This object represents an arbitrary integer used to uniquely
     identify a particular LU Identifier within a particular logical
     unit within a particular SCSI target device within a particular
     SCSI instance."
::= { scsiLuIdEntry 1 }

scsiLuIdCodeSet OBJECT-TYPE
   SYNTAX           ScsiIdCodeSet
   MAX-ACCESS       read-only
   STATUS           current
   DESCRIPTION
     "This object specifies the code set in use with this identifier.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters [16]"
::= { scsiLuIdEntry 2 }

scsiLuIdAssociation OBJECT-TYPE
   SYNTAX           ScsiIdAssociation
   MAX-ACCESS       read-only
   STATUS           current
   DESCRIPTION
     "This object specifies what the identifier is associated with (e.g,
     with the addressed physical/logical device or with a particular


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     port).  The value is represented in the same format as is contained
     in the identifier's Identification Descriptor within the Logical
     Unit's Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters [16]"
::= { scsiLuIdEntry 3 }

scsiLuIdType   OBJECT-TYPE
   SYNTAX           ScsiIdType
   MAX-ACCESS       read-only
   STATUS           current
   DESCRIPTION
     "This object specifies the type of the identifier.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Revision 20, Chapter 8:
     section 8.4.4, page 210 Vital Product Data Parameters  [16]"
::= { scsiLuIdEntry 4 }

scsiLuIdValue OBJECT-TYPE
   SYNTAX         ScsiIdValue
   MAX-ACCESS     read-only
   STATUS         current
   DESCRIPTION
     "This object represents the actual value of this identifier. The
     format is defined by the objects scsiLuIdCodeSet,
     scsiLuIdAssociation, scsiLuIdType.
     The value is represented in the same format as is contained in the
     identifier's Identification Descriptor within the Logical Unit's
     Device Identification Page."
   REFERENCE
     "ANSI - SCSI Primary Commands - 2 (SPC-2), Chapter 8: section
     8.4.4, page 210 Vital Product Data Parameters  [16]"
::= { scsiLuIdEntry 5 }

--******************* The LUN Map Table ***************************

scsiLunMapTable OBJECT-TYPE
   SYNTAX   SEQUENCE OF ScsiLunMapEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table provides the ability to present a logical unit using
     different Logical Unit Numbers for different initiators. This table
     provides a mapping between a logical unit and a logical unit



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     number, and can be referenced by a ScsiAuthorizedIntrEntry to
     specify the LUN map for that initiator."
::= { scsiLogicalUnit 3 }

scsiLunMapEntry OBJECT-TYPE
   SYNTAX          ScsiLunMapEntry
   MAX-ACCESS      not-accessible
   STATUS          current
   DESCRIPTION
     "An entry containing information about the mapping of a particular
     Logical Unit to a particular LUN.  The set of entries which all
     have the same values of scsiInstIndex, scsiDeviceIndex and
     scsiLunMapIndex constitute a LUN Map within a particular SCSI
     instance."
   INDEX { scsiInstIndex, scsiDeviceIndex, scsiLunMapIndex,
   scsiLunMapLun}
::= { scsiLunMapTable 1 }

ScsiLunMapEntry ::= SEQUENCE {
   scsiLunMapIndex      ScsiIndexValue,
   scsiLunMapLun        ScsiLUN,
   scsiLunMapLuIndex    ScsiIndexValue,
   scsiLunMapRowStatus  RowStatus
}

scsiLunMapIndex   OBJECT-TYPE
   SYNTAX           ScsiIndexValue
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "This object represents an arbitrary integer used to uniquely
     identify a particular LunMap within a particular SCSI target device
     within a particular SCSI instance."
::= { scsiLunMapEntry 1 }

scsiLunMapLun     OBJECT-TYPE
   SYNTAX           ScsiLUN
   MAX-ACCESS       not-accessible
   STATUS           current
   DESCRIPTION
     "This object specifies the Logical Unit Number, to which a logical
     unit is mapped by this row."
::= { scsiLunMapEntry 2 }

scsiLunMapLuIndex OBJECT-TYPE
   SYNTAX         ScsiIndexValue
   MAX-ACCESS     read-create
   STATUS         current
   DESCRIPTION


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     "This object identifies the logical unit for which the value of
     scsiLuIndex is the same as the value of this object.  The
     identified logical unit is the one mapped to a LUN by this row."
::= { scsiLunMapEntry 3 }

scsiLunMapRowStatus  OBJECT-TYPE
   SYNTAX          RowStatus
   MAX-ACCESS      read-create
   STATUS          current
   DESCRIPTION
     "This object allows an administrator to create and delete this
     entry."
::= { scsiLunMapEntry 4 }


   --********************** Notifications **************************
   -- scsiNotifications OBJECT IDENTIFIER ::= { scsiModule 2 }

scsiNotificationsPrefix OBJECT IDENTIFIER ::= { scsiNotifications 0 }

scsiTgtDeviceStatusChanged NOTIFICATION-TYPE
   OBJECTS { scsiTgtDeviceStatus }
   STATUS  current
   DESCRIPTION
     "This notification will be generated for each occurrence of the
     abnormal status (e.g., if the SCSI target device's current status
     is abnormal) providing that the SCSI instance's value of
     scsiInstScsiNotificationsEnable is enabled.
     An SNMP agent implementing the SCSI MIB should not send more than
     three SCSI identical notifications in any 10-second period."
::= { scsiNotificationsPrefix 1 }

scsiLuStatusChanged NOTIFICATION-TYPE
   OBJECTS { scsiLuStatus }
   STATUS  current
   DESCRIPTION
     "This notification will be generated each time that scsiLuStatus
     changes providing that the SCSI instance's value of
     scsiInstScsiNotificationsEnable is enabled.
     An SNMP agent implementing the SCSI MIB should not send more than
     three SCSI identical notifications in any 10-second period."
::= { scsiNotificationsPrefix 2 }


--******************************************************************
-- The next part defines the conformance groups in use for SCSI MIB.
scsiCompliances OBJECT IDENTIFIER ::= { scsiConformance 1 }

scsiCompliance MODULE-COMPLIANCE


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   STATUS current
   DESCRIPTION
     "Describes the requirements for compliance to this SCSI MIB.
     If an implementation can be both a target and an initiator, all
     groups are mandatory."
   MODULE  -- this module
      MANDATORY-GROUPS {
         scsiDeviceGroup
     }

     OBJECT scsiInstAlias
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not mandatory."

      OBJECT scsiInstScsiNotificationsEnable
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not mandatory."

     OBJECT scsiDeviceAlias
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not mandatory."

   -- Conditionally mandatory groups to be included with
   -- the mandatory groups when the implementation has
   -- SCSI target device.

     GROUP scsiTargetGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that
          have SCSI target devices."
     GROUP scsiLunMapGroup
      DESCRIPTION
          "This group is mandatory for system having the capabilities of
          mapping local targets and logical units according remote
          initiators."

     OBJECT scsiAuthIntrDevOrPort
     MIN-ACCESS   read-only
     DESCRIPTION
      "Write access is not required."

     OBJECT scsiAuthIntrName
     MIN-ACCESS   read-only
     DESCRIPTION
      "Write access is not required."



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     OBJECT scsiAuthIntrLunMapIndex
     MIN-ACCESS   read-only
     DESCRIPTION
      "Write access is not required."

     OBJECT scsiAuthIntrRowStatus
     SYNTAX RowStatus { active(1) }
     MIN-ACCESS   read-only
     DESCRIPTION
          "Write access is not required, and only one of the six
          enumerated values for the RowStatus textual convention need be
          supported, specifically: active(1)."

     GROUP scsiTgtDevLuNotificationsGroup
      DESCRIPTION
          "This group is mandatory for all SCSI implementations that
          have SCSI target devices and are able to report status
          changes."


   -- Conditionally mandatory groups to be included with
   -- the mandatory groups when the implementation has
   -- SCSI initiator device.

     GROUP scsiInitiatorGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that
          have SCSI initiator devices."

      OBJECT scsiIntrDevTgtAccessMode
      MIN-ACCESS read-only
      DESCRIPTION "Write access is not mandatory."

      GROUP scsiDiscoveryGroup
      DESCRIPTION
          "This group is mandatory for system having the capabilities of
          discovering remote targets via local initiators."

      OBJECT scsiLunMapLuIndex
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not mandatory."

      OBJECT scsiLunMapRowStatus
      SYNTAX RowStatus { active(1) }
      MIN-ACCESS read-only
      DESCRIPTION




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          "Write access is not required, and only one of the six
          enumerated values for the RowStatus textual convention need be
          supported, specifically: active(1)."

      OBJECT scsiDscTgtDevOrPort
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not mandatory."

      OBJECT scsiDscTgtName
      MIN-ACCESS read-only
      DESCRIPTION "Write access is not mandatory."

      OBJECT scsiDscTgtConfigured
      SYNTAX TruthValue { false(2) }
      MIN-ACCESS read-only
      DESCRIPTION
          "The value of true(1) is not mandatory neither the write
          access."

      OBJECT scsiDscTgtRowStatus
      SYNTAX RowStatus { active(1) }
      MIN-ACCESS read-only
      DESCRIPTION
          "Write access is not required, and only one of the six
          enumerated values for the RowStatus textual convention need be
          supported, specifically: active(1)."

   -- Conditionally mandatory groups to be included with the mandatory
   -- groups when the implementation can gather statistics.
     GROUP scsiDeviceStatGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that can
          gather statistics."

   -- Conditionally mandatory groups to be included with the mandatory
   -- groups when the implementation can gather statistics at the SCSI
   -- initiator side.
     GROUP scsiInitiatorStatsGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that can
          gather statistics at SCSI initiator side."

     GROUP scsiDiscoveryStatsGroup
     DESCRIPTION
          "This group is mandatory for system having the capabilities of
          gathering statistics regarding remote targets via local
          initiators."



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   -- Conditionally mandatory groups to be included with the mandatory
   -- groups when the implementation can gather statistics at the SCSI
   -- target side.
     GROUP scsiTargetStatsGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that can
          gather statistics at SCSI target devices."

     GROUP scsiLunMapStatsGroup
     DESCRIPTION
          "This group is mandatory for SCSI implementations able to map
          local targets and logical units according remote initiators."

   -- Conditionally mandatory groups to be included with the mandatory
   -- groups when the implementation is running at high speed and can
   -- gather statistics at the SCSI initiator side.
     GROUP scsiInitiatorHSStatsGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that can
          gather statistics at SCSI initiator side and are running at
          high speed."

     GROUP scsiDiscoveryHSStatsGroup
     DESCRIPTION
          "This group is mandatory for system having the capabilities of
          gathering statistics regarding remote targets via local
          initiators and are running at high speed."

   -- Conditionally mandatory groups to be included with the mandatory
   -- groups when the implementation  is running at high speed and can
   -- gather statistics at the SCSI target side.
     GROUP scsiTargetHSStatsGroup
     DESCRIPTION
          "This group is mandatory for all SCSI implementations that can
          gather statistics at SCSI target devices in high speed
          system."

     GROUP scsiLunMapHSStatsGroup
     DESCRIPTION
          "This group is mandatory for SCSI implementations able to map
          local targets and logical units according remote initiators in
          high speed system."
::= { scsiCompliances 1 }

scsiGroups OBJECT IDENTIFIER ::= { scsiConformance 2 }

scsiDeviceGroup OBJECT-GROUP
   OBJECTS {
      scsiInstAlias,


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      scsiInstSoftwareIndex,
      scsiInstVendorVersion,
      scsiInstScsiNotificationsEnable,
      scsiDeviceAlias,
      scsiDeviceRole,
      scsiDevicePortNumber,
      scsiPortRole,
      scsiPortTrnsptPtr,
      scsiTrnsptType,
      scsiTrnsptPointer,
      scsiTrnsptDevName
   }
   STATUS current
   DESCRIPTION
     "A collection of objects providing information about SCSI
     instances, devices and ports."
::= { scsiGroups 1 }

scsiInitiatorGroup OBJECT-GROUP
   OBJECTS {
      scsiIntrDevTgtAccessMode,
      scsiIntrPortName,
      scsiIntrPortIdentifier,
      scsiAttTgtPortDscTgtIdx,
      scsiAttTgtPortName,
      scsiAttTgtPortIdentifier
   }
   STATUS current
   DESCRIPTION
     "This group is relevant for an initiator device and port."
::= { scsiGroups 2 }

scsiDiscoveryGroup OBJECT-GROUP
   OBJECTS {
      scsiDscTgtDevOrPort,
      scsiDscTgtName,
      scsiDscTgtConfigured,
      scsiDscTgtDiscovered,
      scsiDscTgtRowStatus,
      scsiDscTgtLastCreation,
      scsiDscLunLun,
      scsiDscLunIdCodeSet,
      scsiDscLunIdAssociation,
      scsiDscLunIdType,
      scsiDscLunIdValue
   }
   STATUS current
   DESCRIPTION



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     "This group is relevant for the discovered targets by an initiator
     port."
::= { scsiGroups 3 }

scsiTargetGroup OBJECT-GROUP
   OBJECTS {
      scsiTgtDevNumberOfLUs,
      scsiTgtDeviceStatus,
      scsiTgtDevNonAccessibleLUs,
      scsiTgtPortName,
      scsiTgtPortIdentifier,
      scsiAttIntrPortAuthIntrIdx,
      scsiAttIntrPortName,
      scsiAttIntrPortId,
      scsiLuDefaultLun,
      scsiLuWwnName,
      scsiLuVendorId,
      scsiLuProductId,
      scsiLuRevisionId,
      scsiLuPeripheralType,
      scsiLuStatus,
      scsiLuState,
      scsiLuIdCodeSet,
      scsiLuIdAssociation,
      scsiLuIdType,
      scsiLuIdValue
   }
   STATUS current
   DESCRIPTION
     "This group is relevant for a target device and port."
::= { scsiGroups 4 }

scsiLunMapGroup OBJECT-GROUP
   OBJECTS {
      scsiLunMapLuIndex,
      scsiLunMapRowStatus,
      scsiAuthIntrDevOrPort,
      scsiAuthIntrName,
      scsiAuthIntrLunMapIndex,
      scsiAuthIntrLastCreation,
      scsiAuthIntrRowStatus
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of attributes regarding the mapping
     between logical unit number, logical unit and target device."
::= { scsiGroups 5}

scsiTargetStatsGroup OBJECT-GROUP


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   OBJECTS {
      scsiTgtPortInCommands,
      scsiTgtPortWrittenMegaBytes,
      scsiTgtPortReadMegaBytes,
      scsiLuInCommands,
      scsiLuReadMegaBytes,
      scsiLuWrittenMegaBytes,
      scsiLuInResets,
      scsiLuOutTaskSetFullStatus
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of statistics for all implementations
     of the SCSI MIB that contain targets."
::= { scsiGroups 6}

scsiTargetHSStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiTgtPortHSInCommands,
      scsiLuHSInCommands
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of high speed statistics for all
     implementations of the SCSI MIB that contain targets."
::= { scsiGroups 7}

scsiLunMapStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiAuthIntrAttachedTimes,
      scsiAuthIntrOutCommands,
      scsiAuthIntrReadMegaBytes,
      scsiAuthIntrWrittenMegaBytes
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of statistics regarding initiators
     authorized to attach local logical unit and target device."
::= { scsiGroups 8}

scsiLunMapHSStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiAuthIntrHSOutCommands
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of high speed statistics regarding
     initiators authorized to attach local logical unit and target
     device."


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::= { scsiGroups 9}

scsiInitiatorStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiIntrDevOutResets,
      scsiIntrPortOutCommands,
      scsiIntrPortWrittenMegaBytes,
      scsiIntrPortReadMegaBytes
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of statistics for all implementations
     of the SCSI MIB that contain initiators."
::= { scsiGroups 10}

scsiInitiatorHSStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiIntrPortHSOutCommands
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of high speed statistics for all
     implementations of the SCSI MIB that contain initiators."
::= { scsiGroups 11}

scsiDiscoveryStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiDscTgtInCommands,
      scsiDscTgtReadMegaBytes,
      scsiDscTgtWrittenMegaBytes
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of statistics for all implementations
     of the SCSI MIB that contain discovered initiators."
::= { scsiGroups 12}

scsiDiscoveryHSStatsGroup OBJECT-GROUP
   OBJECTS {
      scsiDscTgtHSInCommands
   }
   STATUS current
   DESCRIPTION
     "This group is a collection of high speed statistics for all
     implementations of the SCSI MIB that contain discovered
     initiators."
::= { scsiGroups 13}

scsiDeviceStatGroup OBJECT-GROUP


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   OBJECTS {
      scsiDeviceResets,
      scsiPortBusyStatuses
   }
   STATUS current
   DESCRIPTION
     "A collection of statistics regarding about SCSI devices and
     ports."
::= { scsiGroups 14 }

scsiTgtDevLuNotificationsGroup NOTIFICATION-GROUP
   NOTIFICATIONS {
      scsiTgtDeviceStatusChanged,
      scsiLuStatusChanged
   }
   STATUS current
   DESCRIPTION
     "A collection of notifications regarding status change of target
     devices and logical units."
::= { scsiGroups 15 }

END

10. Acknowledgments

   This document is the result of the work of the SCSI MIB Group.  In
   particular, the contributions of Sajay Selvaraj (HCL Technologies),
   George Penokie (IBM) and Roger Cummings (Veritas Software) were
   critical to the formulation of this specification.

11. Object Population Example: Target and Initiator on a pSCSI bus
   This section provides a sample set of values for a parallel SCSI
   scenario in which a SCSI MIB can be implemented. The example shown
   below is not a normative part of this draft and makes some
   assumptions about the underlying implementation, which are not based
   on actual implementations.
   The respective sections describe the sequence of object
   instantiations and attempts to explain non-typical values for
   attributes that are unique to the scenario.

   Note: While populating the objects, the population of statistics is
   not considered.




   This scenario deals with a SCSI target and initiator attached to a
   parallel SCSI bus.



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   We assume an HBA as the initiator and a disk as target. We assume
   that the target has one logical unit, addressed by logical unit
   number set to 0 (LUN0), which is the default LUN. Parallel SCSI only
   has port identifiers, no port names. The transport pointer for
   parallel SCSI is set to 0 since, there is no reference transport
   (SPI) MIB protocol.

   Once the SCSI system is initialized, SNMP agent should be able to
   view the values of variables populated in the ScsiDevice,
   ScsiInitiatorDevice, ScsiTargetDevice, ScsiPort, ScsiTargetPort,
   ScsiInitiatorPort, ScsiLogicalUnit, ScsiLUIdentifier objects.


   The ScsiTgtAuthorizedIntr population depends on the transport and the
   implementation.
   As this example scenario is parallel scsi, we deal with the ports.
   Hence the ScsiPortIndexOrZero is the index of the target port and
   ScsiTgtAuthIntrDevOrPort is "port". Same is the case with the
   variables in ScsiIntrAuthorizedTgt also.


   11.1 scsiInstance Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiInstAlias                   "pSCSI-1"
      scsiInstReference               1000
      scsiInstVendorVersion           "1.0a"
      scsiInstScsiNotificationsEnable true

   11.2 scsiDevice Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1              1
      scsiDeviceIndex                 1              2
      scsiDeviceAlias                 "pSCSI-HBA"    "pSCSI-Disk1"
      scsiDeviceRoles                 initiator(1)   target(0)
      scsiDevicePortNumber            1              1


   11.3 scsiPort Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1         1
      scsiDeviceIndex                 1         2
      scsiPortIndex                   1         2


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      scsiPortRoles                   initiator(1)   target(0)
      scsiPortTrnsptPtr               1              2

   11.4 scsiTrnspt Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1              1
      scsiDeviceIndex                 1              2
      scsiTrnsptIndex                 1              2
      scsiTrnsptType                  "SPI-4"        "SPI-4"
      scsiTrnsptPointer               0.0            0.0
      scsiTrnsptDevName               "ns-SCSI"      "ns-SCSI"

   11.5 scsiIntrDev Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1

   11.6 scsiInitiatorPort Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1
      scsiPortIndex                   1
      scsiIntrPortName                 -NA-
      scsiIntrPortIdentifier           0001b

      Port Identifier for SCSI is represented by 4 bits.


   11.7 scsiDscTgt Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1
      scsiDscTgtIntrPortIndex         1
      scsiDscTgtIndex                 1
      scsiDscTgtDevOrPort             port
      scsiDscTgtName                  -NA-
      scsiDscTgtRowStatus             1
      scsiDscTgtDiscovered            true

   11.8 scsiDscLUN



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      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1
      scsiDscTgtIntrPortIndex         1
      scsiDscTgtIndex                 1
      scsiDscLUNIndex                 1

   11.9 scsiDscLUNIdentifier

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1
      scsiDscLUNIndex                 1
      scsiDscLUNIdIndex               1
      scsiDscLUNidCodeSet             2
      scsiDscLUNidAssociation         1
      scsiDscLUNIdType                1
      scsiDscLUNIdValue               IETFsl318203-0001

   11.10 scsiAttTgtPort Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 1
      scsiPortIndex                   1
      scsiAttTgtPortIndex             1
      scsiAttTgtPortDscTgtIdx         1
      scsiAttTgtPortName              -NA-
      scsiAttTgtPortId                011

   11.11 scsiTgtDev Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiTgtDevNumberOfLUs           1

   11.12 scsiTgtPort Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiPortIndex                   2
      scsiPortName                    -NA-


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      scsiTgtPortIdentifier           010

   11.13 scsiLU Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiLuIndex                     1
      scsiLuDefaultLun                "lun0"
      scsiLuWwnName                   "Disk-LU"
      scsiLuVendorId                  "xyz-corp"
      scsiLuProductId                 "super turbo disk"
      scsiRevisionId                  02
      scsiLUPeripheralType            00
      scsiLUStatus                    2
      scsiLuState                     3


   11.14 scsiLuIdentifer:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiLuIndex                     1
      scsiLuIdIndex                   1
      scsiLuIdCodeSet *1              2
      scsiLuIdAssociation *2          1
      scsiLuIdType *3                 1
      scsiLuIdValue                   IETFsl318203-0004

     *1 - The identifier field will have ASCII graphic codes.
     *2 - The identifier is associated with the port that received the
     request.
      *3 - As defined in SPC (This value specifies that the LuIdValue
     contains a vendorID in the first 8 bytes concatenated with the
     product identifier field and product serial number

   11.15 scsiLunMap Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiLunMapIndex                 1
      scsiLunMapLun                   LUN0
      scsiLunMapLuIndex               1
      scsiLunMapLunRowStatus          1


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   11.16 scsiAuthorizedIntr Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiAuthIntrTgtPortIndex        2
      scsiAuthIntrIndex               1
      scsiAuthIntrDevOrPort           port
      scsiAuthIntrName                ""
      scsiAuthIntrLunMapIndex           1
      scsiAuthIntrRowStatus           1

   11.17 scsiAttIntrPort Table:

      Attribute                       Value
      ----------                      ------
      scsiInstIndex                   1
      scsiDeviceIndex                 2
      scsiPortIndex                   2
      scsiAttIntrPortIdx              1
      scsiAttIntrPortAuthIntrIdx      1
      scsiAttIntrPortName             ""
      scsiAttIntrPortId               011

12. References

12.1 Normative References
   [1]   Harrington, D., Presuhn, R. and B. Wijnen, "An Architecture for
      Describing SNMP Management Frameworks", RFC 2571, April 1999.

   [2]   Rose, M. and K. McCloghrie, "Structure and Identification of
      Management Information for TCP/IP-based Internets", STD 16, RFC
      1155, May 1990.

   [3]   Rose, M. and K. McCloghrie, "Concise MIB Definitions", STD 16,
      RFC 1212, March 1991.

   [4]   McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
      M. and S. Waldbusser, "Structure of Management Information Version
      2(SMIv2)", STD 58, RFC 2578, April 1999.

   [5]   McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
      M. and S. Waldbusser, "Textual Conventions for SMIv2", STD 58, RFC
      2579, April 1999.





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   [6]   McCloghrie, K., Perkins, D., Schoenwaelder, J., Case, J., Rose,
      M. and S. Waldbusser, "Conformance Statements for SMIv2", STD 58,
      RFC 2580, April 1999.

   [7]   Case, J., Fedor, M., Schoffstall, M. and J. Davin, "Simple
      Network Management Protocol", STD 15, RFC 1157, May 1990.

   [8]   Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,"Transport
      Mappings for Version 2 of the Simple Network Management
      Protocol(SNMPv2)", RFC 1906, January 1996.

   [9]   Case, J., Harrington, D., Presuhn, R. and B. Wijnen, "Message
      Processing and Dispatching for the Simple Network Management
      Protocol (SNMP)", RFC 2572, April 1999.

   [10]  Blumenthal, U. and B. Wijnen, "User-based Security Model (USM)
      for version 3 of the Simple Network Management Protocol(SNMPv3)",
      RFC 2574, April 1999.

   [11]  Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Protocol
      Operations for Version 2 of the Simple Network Management Protocol
      (SNMPv2)", RFC 1905, January 1996.

   [12]  Levi, D., Meyer, P. and B. Stewart, "SNMPv3 Applications", RFC
      2573, April 1999.

   [13]  Wijnen, B., Presuhn, R. and K. McCloghrie, "View-based Access
      Control Model (VACM) for the Simple Network Management Protocol
      (SNMP)", RFC 2575, April 1999.

   [14]  SCSI Architecture Model-2 (SAM-2), Working Draft, T10 Project
      1157-D, Revision 20, 19 September 2001

   [15]  IEEE Tutorial for SCSI use of IEEE company_id - X3T10/97-101,
      Revision 2

   [16]  SCSI Primary Commands - 2 (SPC-2), T10 Project 1236-D, Revision
      20, 18 July 2001

   [17]  S. Waldbusser and P. Grillo, "Host Resources MIB", RFC 2790,
      March 2000.

12.2 Informative References

   [18]  Rose, M., "A Convention for Defining Traps for use with the
      SNMP", RFC 1215, March 1991.





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   [19]  Case, J., McCloghrie, K., Rose, M. and S. Waldbusser,
      "Introduction to Community-based SNMPv2", RFC 1901, January 1996.

   [20]  Case, J., Mundy, R., Partain, D. and B. Stewart, "Introduction
      to Version 3 of the Internet-standard Network Management
      Framework", RFC 2570, April 1999.

   [21]  Bradner, S., "Key words for use in RFCs to Indicate Requirement
      Levels", BCP 14, RFC 2119, March 1997.

   [22] Satran, J, "iSCSI", IP Storage Working Group, draft-ietf-ips-
      iscsi-20.txt, January 2003.

   [23] Bakke, M, Muchow, J, Krueger, M, McSweeney, T, "Definitions of
      Managed Objects for iSCSI ", IP Storage Working Group, draft-ietf-
      ips-iscsi-mib-08.txt, November 2002.

   [24] McCloghrie, K, "Fibre Channel Management MIB", IP Storage
      Working Group, draft-ietf-ips-fcmgmt-mib-03.txt, October 2002.

   [25] McCloghrie, K, "SNMPv2 Management Information Base for the
      Transmission Control Protocol using SMIv2", RFC 2012, November
      1996.


13. Security Considerations

   There are a number of management objects defined in this MIB that
   have a MAX-ACCESS clause of read-write and/or read-create.  Such
   objects may be considered sensitive or vulnerable in some network
   environments.  The support for SET operations in a non-secure
   environment without proper protection can have a negative effect on
   network operations.

   Some managed objects in this MIB may contain sensitive information.
   These are:
      scsiDscTgtTable
      scsiLuTable
      scsiLunMapTable
      scsiAuthorizedIntrTable

   It is thus important to control even GET access to these objects and
   possibly to even encrypt the values of these object when sending them
   over the network via SNMP. Not all versions of SNMP provide features
   for such a secure environment.

   SNMPv1 by itself is not a secure environment.  Even if the network
   itself is secure (for example by using IPsec), even then, there is no


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                               SCSI MIB                  February 2003


   control as to who on the secure network is allowed to access and
   GET/SET (read/change/create/delete) the objects in this MIB.

   It is RECOMMENDED that the implementors consider the security
   features as provided by the SNMPv3 framework.  Specifically, the use
   of the User-based Security Model RFC 2574 [12] and the View-based
   Access Control Model RFC 2575 [15] are recommended.

   It is then a customer/user responsibility to ensure that the SNMP
   entity giving access to an instance of this MIB, is properly
   configured to give access to the objects only to those principals
   (users) that have legitimate rights to indeed GET or SET
   (change/create/delete) them.

14. Authors' Addresses


   Michele Hallak-Stamler
   Sanrad Intelligent Network
   32 Habarzel Street
   Tel Aviv, Israel
   Phone: +972 3 7674809
   Email: michele@sanrad.com

   Yaron Lederman
   Siliquent Technologies Ltd.
   33 Bezalel Street
   Ramat Gan, Israel
   Phone: +972 3 7552320
   Email: yaronl@siliquent.com

   Mark Bakke
   Postal: Cisco Systems, Inc
   6450 Wedgwood Road, Suite 130
   Maple Grove, MN
   USA 55311
   Tel: +1 763-398-1000
   Fax: +1 763-398-1001
   E-mail: mbakke@cisco.com

   Marjorie Krueger
   Postal: Hewlett-Packard
   Networked Storage Architecture
   Networked Storage Solutions Org.
   8000 Foothills Blvd.
   Roseville, CA 95747
   Tel: +1 916-785-2656
   Tel: +1 916-785-0391
   Email: Marjorie_krueger@hp.com


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                               SCSI MIB                  February 2003



   Keith McCloghrie
   Cisco Systems, Inc.
   Postal: 170 West Tasman Drive
   San Jose, CA USA 95134
   Tel: +1 408 526-5260
   E-mail: kzm@cisco.com


15. Full Copyright Statement

   Copyright (C) The Internet Society (2001).  All Rights Reserved.

   This document and translations of it may be copied and furnished to
   others, and derivative works that comment on or otherwise explain it
   or assist in its implementation may be prepared, copied, published
   and distributed, in whole or in part, without restriction of any
   kind, provided that the above copyright notice and this paragraph are
   included on all such copies and derivative works.  However, this
   document itself may not be modified in any way, such as by removing
   the copyright notice or references to the Internet Society or other
   Internet organizations, except as needed for the purpose of
   developing Internet standards in which case the procedures for
   copyrights defined in the Internet Standards process must be
   followed, or as required to translate it into languages other than
   English.

   The limited permissions granted above are perpetual and will not be
   revoked by the Internet Society or its successors or assigns.

   This document and the information contained herein is provided on an
   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.















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