IC87751: SNAPSHOT ABORTED WITH FBSS5007W DUE TO TIMEOUT ERROR BETWEEN FASTBACK SERVER AND DATA DEDUPE SERVICE.

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APAR status

  • Closed as program error.

Error description

  • A snapshot may be aborted with FBSS5007W because the timeout
    error happens in the TCP/IP communication between FastBack
    Server and Data Dedupe service.
    >>>
    FBSS5007W Failed to complete procedure on sectors[****-****]
    <<
    
    The following errors can be found in FAST_BACK_SERVER0nn.sf.
    >>>
    [MM DD hh:mm:ss:sss]( 824)--->E18.LIB       : DoIO error:SN
    Error: 5 start address: 0x748f648, bufferSize: 0 bytesPAssed: 0,
    buffer: 0x748f682.
    [MM DD hh:mm:ss:sss]( b8c)--->E18.LIB       : DoIO error:SN
    Error: 5 start address: 0x409fe74, bufferSize: 16384
    bytesPAssed: 16384, buffer: 0x61f4000.
    [MM DD hh:mm:ss:sss]( 8b0)--->E18.LIB      :
    SNRepository::GetStatistics: proc_getdevinfo failed error: 5,0.
    [MM DD hh:mm:ss:sss]( 824)--->E18.LIB       :
    SNFile::InformSNOnLastIO: Failed to write back data. Object
    name: D:\JOB26\MBLK006a.DDPDAT.
    [MM DD hh:mm:ss:sss]( b8c)--->E18.LIB       : SNFile::Append:
    Error appending to file: D:\JOB25\MBLK0069.DDPDAT.
    [MM DD hh:mm:ss:sss]( 8b0)--->E16.GENERAL   :
    UpdateDedupStatistics: Failed to get SN statistcs. Can not
    calculated dedupe data size.
    <<<
    
    The following errors can be found in sn_server_trace.log
    >>>
    YYYY-MM-DD hh:mm:ss.sss addConnection 522 hostname Accepting
    connection **** from 127.0.0.1.
    YYYY-MM-DD hh:mm:ss.sss win32.c sendmsgall 272 hostname INFO The
    socket, **** aborted. (WSACONNABORTED)
    YYYY-MM-DD hh:mm:ss.sss win32.c sendmsgall 286 hostname ERROR
    Error WSASending all the bytes: total=***, bytes_sent=0
    <<<
    
    The problem may intermittently happen in case that Data Dedupe
    service doesn't respond to FastBack Server within 30 seconds.
    
    
    Tivoli Storage Manager Versions affected:
    FastBack Client 6.1 for all supported Windows platform
    
    Additional Keywords:
    SN service,  Data Deduplicated repository
    
    Additional L2 info:
    The problem could be avoided using the debug server that
    includes SN API with extended timeout value, such as 100 seconds
    for example.
    
    Initial Impact:
    Medium
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All Fastback Users running TSM Fastback      *
    *                 Server with de-duplicated repository         *
    ****************************************************************
    * PROBLEM DESCRIPTION: See Error Description                   *
    ****************************************************************
    * RECOMMENDATION: Apply fixing level when available. This      *
    *                 problem is currently projected to be fixed   *
    *                 in levels 6.1.7.1. Note that this is         *
    *                 subject to change at the discretion of IBM.  *
    ****************************************************************
    *
    

Problem conclusion

  • TSM Fastback has been fixed to correct this problem.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC87751

  • Reported component name

    TSM FASTBACK

  • Reported component ID

    5724FSBBK

  • Reported release

    61W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-11-02

  • Closed date

    2012-12-30

  • Last modified date

    2012-12-30

  • 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 FASTBACK

  • Fixed component ID

    5724FSBBK

Applicable component levels

  • R55W PSN

       UP

  • R61L PSY

       UP

  • R61W PSY

       UP



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Document information


More support for:

Tivoli Storage Manager FastBack

Software version:

6.1

Reference #:

IC87751

Modified date:

2012-12-30

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