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IT26643: NODE REPLICATION FAILS WITH ERROR ANR3178E ON SOURCE

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APAR status

  • Closed as program error.

Error description

  • Problem Description:
    
    Replicate node may fail with ANR3178E on Source server. The
    activity logs on both server shows;
    
    Source server:
    
       ANR3178E A communication error occurred during
    session-2990745 with replication server xxx. (SESSION:-2990303,
    PROCESS: 1270)
       ANR0479W Session 2990745 for server xxxx (AIX) terminated -
    connection with server severed. (SESSION:2990303, PROCESS: 1270)
    
       Target Server:
    
       ANR0443W Protocol error on session 4511 for node XXX (AIX) -
    invalid "SHA" field found in "DistDedupChunk" verb (offset 256).
    (SESSION: 4511)
    
    
    Additional Keywords:
    replicate; node;ANR3178E;TS001182218
    
    
    Customer/L2 Diagnostics (If Applicable)
    Enable the trace with flags REPL SDRTRV SESSION SESSIOND DEDUP
    DEDUP1 VERBDETAIL
    
    There are following message in the trace of target server;
    
       16:55:57.685 [7579][smtrans.c][11428][DoProcessDedupChunk]:
    Contents of verb (0x600) DistDedupChunk, length=59, extended=1:
       16:55:57.685
    [7579][smtrans.c][11528][DoProcessDedupChunk]:Received
    DistDedupChunk verb on session 2372, with metaDataSize -1
       16:55:57.685
    [7579][smtrans.c][11533][DoProcessDedupChunk]:Uncompressed
    length: 753682, Compressed: 0x2, HasData: False, skipSdData
    False (sdAmount 0)
       16:55:57.685
    [7579][smtrans.c][11536][DoProcessDedupChunk]:SHA Value:
    56D214BD
       16:55:57.685
    [7579][smtrans.c][11556][DoProcessDedupChunk]:Fragment chunk
    limits 40000/10485760000 exceeded with 12313/10486314182 -
    forcing break
       ----> fragment size exceeds.    End the current fragment,
    push the DistDedupChunk in session.
    
    Initial Impact:
       Middle
    
    Tivoli Storage Manager Versions affected:
       IBM Spectrum Protect server all supported versions for all
    platforms
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All IBM Spectrum Protect server users.                       *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in level 8.1.7. Note that this is      *
    * subject to change at the discretion of IBM.                  *
    ****************************************************************
    

Problem conclusion

  • This problem was fixed.
    Affected platforms for reported release:  AIX, Linux, and
    Windows.
    Platforms fixed:  AIX, Linux, and Windows.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT26643

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    81A

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-10-29

  • Closed date

    2019-01-14

  • Last modified date

    2019-01-14

  • 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

  • R81A PSY

       UP

  • R81L PSY

       UP

  • R81W PSY

       UP

[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"81A"}]

Document Information

Modified date:
09 September 2021