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IT24661: ANS5056E SYSTEMSTATE BACKUP FAILURE ON PASSIVE CLUSTER NODE WITH CLIENTS V7.1.8+ AND V8.1.4+

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APAR status

  • Closed as program error.

Error description

  • After an upgrade of the client to versions 7.1.8 or 8.1.4, or
    higher, the systemstate backup fails on the passive node of a
    Microsoft Windows cluster.
    This problem happens because a VSS writer points to some files
    which are located on a cluster disk, which is not available on
    the passive node.
    With pre-7.1.8/8.1.4 client levels, the client option
    SKIPMISSINGSYSWFILE YES allowed to skip those missing objects
    and let the systemstate backup run to completion.
    The missed files were then reported in the dsmerror.log with a
    message like this:
     "ANS4199W  File 'file name' is not backed up as part of the
    system state because cluster disk 'volume name' is not
    accessible."
    
    Now, after the upgrade to client version 7.1.8 or 8.1.4, or
    higher - the errors below are reported and the systemstate
    backup fails even in case the SKIPMISSINGSYSWFILE YES option is
    being used.
    
    Customer/L2 Diagnostics:
     Errors reported in the dsmerror.log file:
    
     ANS5250E An unexpected error was encountered.
       TSM function name : AddFileToRequest
       TSM function      : FindVolumeToSnap() for drive 'x:\'
    returned 109
       TSM return code  : 109
       TSM file         : ..\..\common\winnt\vssreq.cpp (5851)
     ANS5250E An unexpected error was encountered.
       TSM function name : objEnumAuditFileSub
       TSM function      : GetBestVolumeMatch() for file
    '\\xxxxx\x$\ibm\itm\ihs\bin\xxxx.xxx' failed.
       TSM return code  : 105
       TSM file         : ..\..\common\ba\objenum.cpp (1581)
     ANS5250E An unexpected error was encountered.
       TSM function name : BaHandleSystemPostSnapshotCmd
       TSM function      : objEnumAuditFileSub() failed
       TSM return code  : 105
       TSM file         : ..\..\common\ba\backsnap.cpp (3725)
     ANS5250E An unexpected error was encountered..
       TSM function name : baHandleSnapshot
       TSM function      : BaHandleSystemPostSnapshotCmd() failed.
       TSM return code  : 105
       TSM file         : ..\..\common\ba\backsnap.cpp (4729)
     ANS1327W The snapshot operation for
    'XXXXX\SystemState\NULL\System State\SystemState' failed with
    error code: 105.
     ANS0361I DIAG: GetRootAttrib(): Root directory
    \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy13\ not found
     ANS1228E Sending of object '' failed
     ANS5056E  The specified directory path could not be found.
     ANS1999E Backup processing of '\\xxxxx\c$' stopped.
    
    IBM Spectrum Protect Versions Affected: Clients 7.1.8 or 8.1.4,
    or higher, in a Windows cluster environment
    
    | MDVREGR 7.1.8.0-TIV_5698MCL |
    | MDVREGR 8.1.4.0-TIV_5698MCL |
    
    Initial Impact: Medium
    
    Additional Keywords: TSM defect 138020 IC98505
    

Local fix

  • Roll-back to a previews client level, for example 7.1.6 or
    8.1.2, and if a backup took place with the 7.1.8 / 8.1.4 level,
    restart a backup from scratch ( by deleting or renaming the
    filespaces at the IBM Spectrum Protect server side ) or use a
    new nodename.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * IBM Spectrum Protect backup-archive client versions 7.1.8    *
    * and 8.1.4 running on Microsoft Windows Server platforms with *
    * Failover Cluster installed.                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in level 8.1.6.                        *
    * Note that this is subject to change at the discretion of     *
    * IBM.                                                         *
    ****************************************************************
    

Problem conclusion

  • The system state backup can fail when a cluster disk (that
    contains some system files) is not available on the passive node
    of a MS Windows cluster. The code has been changed so that
    system state backup will skip the missing files from unavailable
    cluster disk and let the bacukp run to completion.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT24661

  • Reported component name

    TSM CLIENT

  • Reported component ID

    5698ISMCL

  • Reported release

    71W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-04-09

  • Closed date

    2018-05-15

  • Last modified date

    2018-05-15

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

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

Modules/Macros

  • DSMC     DSM      DSMCSVC
    

Fix information

  • Fixed component name

    TSM CLIENT

  • Fixed component ID

    5698ISMCL

Applicable component levels



Document information

More support for: Tivoli Storage Manager

Software version: 71W

Reference #: IT24661

Modified date: 15 May 2018


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