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IT01521: DSMAGENT.EXE CRASH DURING RESTORE OR QUERY OF OBJECTS FROM TIVOLI STORAGE MANAGER SERVER

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APAR status

  • Closed as program error.

Error description

  • dsmagent.exe can crash during a restore or query operation of
    VSS objects due to a leftover "orphaned" object from a previous
    unsuccessful backup operation. The crash occurs while obtaining
    VSS backup version information from the Tivoli Storage Manager
    Server. This problem can affect the following Tivoli Storage
    Manager products:
    
     * Tivoli Storage Manager for Mail - Data Protection for
       Exchange
     * Tivoli Storage Manager for Databases - Data Protection for
       MSSQL
     * FlashCopy Manager for Windows
     * Tivoli Storage Manager Backup-Archive Client for Microsoft
       Windows system state operations
    
    When the problem occurs the Microsoft Windows Application Event
    Log will contain an entry similar to this:
    
     Error <date time> Application Error 1000 (100) "Faulting
     application name: dsmagent.exe, version: 6.4.1.0, time stamp:
       0x51e8e62e
     Faulting module name: MSVCR100.dll, version: 10.0.40219.1.
    
    The query or restore operation will not run to successful
    completion.
    
    Customer/L2 Diagnostics:
    The crash occurs when an orphaned backup object exists for the
    affected application and node. The orphaned backup object was
    most likely created as part of an unsuccessful backup operation.
    
    The object can be identified by examining a SERVICE trace for
    dsmagent.exe (the Tivoli Storage Manager Remote Client Agent).
    Look for a line like the one below that contains elements
    "HL=<\BACKUP_STATE" and "groupMember = <0>" (without the
    quotation marks):
    
    :..\..\common\winnt\vssquery.cpp( 826): vssQueryBackup(): FS=<EX
    CVP\Microsoft Exchange Writer\{76fe1ac4-15f7-4bcd-987e-8e1acb462
    fb7}\EXDB\5d1a4f4d-cc94-4358-bb32-7dee158beb80>, Grp HL=<\BACKUP
    _STATE\TSM>, LL=<\20140208210845>, obj id =<1187948128>, groupMe
    mber = <0>.
    
    Note: The above text appears in one line In the trace. Due to
    APAR width restrictions it is shown above as four lines of 64
    characters each followed by one line of 11 characters.
    
    
    The groupMember ID of 0 for a BACKUP_STATE object indicates that
    this object is an orphan.
    
    Tivoli Storage Manager Versions Affected: All Tivoli Storage
    Manager Client 6.x and 7.x on all Windows.
    
    
    Initial Impact: High
    
    Additional Keywords: dsmagent crash query server restore
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Backup-archive client versions 6.3, 6.4,     *
    *                 and 7.1.0 on Windows platforms.              *
    ****************************************************************
    * PROBLEM DESCRIPTION: See ERRPR DESCRIPTION                   *
    ****************************************************************
    * RECOMMENDATION: Apply fixing level when available. This      *
    *                 problem is currently projected to be fixed   *
    *                 in levels 6.3.2.4, 6.4.3 and 7.1.1. Note     *
    *                 that this is subject to change at the        *
    *                 discretion of IBM.                           *
    ****************************************************************
    The problem was caused by the parsing of an invalid object.
    

Problem conclusion

  • The problem has been fixed so that the crash no longer occurs.
    

Temporary fix

  • 6.3.2.4 interim fix
    

Comments

APAR Information

  • APAR number

    IT01521

  • Reported component name

    TSM CLIENT

  • Reported component ID

    5698ISMCL

  • Reported release

    64W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-05-06

  • Closed date

    2014-06-23

  • Last modified date

    2016-02-09

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Modules/Macros

  • VSSQUERY
    

Fix information

  • Fixed component name

    TSM CLIENT

  • Fixed component ID

    5698ISMCL

Applicable component levels

  • R63W PSY

       UP

  • R64W PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 64W

Reference #: IT01521

Modified date: 09 February 2016