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IT14747: RANDOM DEVICE MOVE DATA MIGHT CRASH SERVER IN BFFINDELEMENT() IF More than one IS RUNNING IN PARALLEL

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Disk volume MOVE DATA command might crash the Tivoli Storage
    Manager server if more than one 'move data' is running in
    parallel.
    
    Under the APAR condition, the following call stack is observed:
    
    bfFindElement (volId=3749, vlDescP=0x7ffe98109a50,
    criteria=<value optimized out>) at bfvollst.c:314
    BfSegmentsOnInaccessVols (segList=0x7ffe240c4548, numSegs=1,
    volListP=0x7ffe98109a50) at bfutil.c:12806
    DfGetSuperAggregateBitfiles (ctlP=0x7fff94183888,
    bfP=0x7ffe240be4b8, listPP=0x7ffdd5b2e310) at dfmove.c:2572
    MoveCluster (ctlP=0x7fff94183888) at dfmove.c:3922
    MoveVolumeCollocated (ctlP=0x7fff94183888) at dfmove.c:3190
    DfMoveVolume (ctlP=0x7fff94183888) at dfmove.c:1003
    DfMoveDataThread (argCtlP=<value optimized out>) at
    dfmove.c:1095
    StartThread (startInfoP=0x0) at pkthread.c:3779
    start_thread () from /lib64/libpthread.so.0
    clone () from /lib64/libc.so.6
    
    
    Tivoli Storage Manager Versions Affected:
    Tivoli Storage Manager Server: 7.1.4.x and higher on all
    suppported platforms
    
      Initial Impact: Low
      Additional Keywords: TSM inaccessVols 93509 Spectrum Protect
    
    
    | MDVREGR 7.1.4.0-TIV_5698MSV |
    

Local fix

  • Do not run multiple MOVE DATA processses for disk storage pool
    volumes in parallel.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All Tivoli Storage Manager Server users.                     *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available.                           *
    * This problem is currently projected to be fixed in level     *
    * 7.1.6.                                                       *
    * Note that this is subject to change at the discretion of     *
    * IBM.                                                         *
    ****************************************************************
    

Problem conclusion

  • This problem was fixed.
    Affected platforms:  AIX, HP-UX, Solaris, Linux, and Windows.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT14747

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    71L

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-04-12

  • Closed date

    2016-05-02

  • Last modified date

    2016-06-09

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

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

Fix information

  • Fixed component name

    TSM SERVER

  • Fixed component ID

    5698ISMSV

Applicable component levels

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 7.1.3

Reference #: IT14747

Modified date: 09 June 2016