IC66284: TIVOLI STORAGE MANAGER CRASHES DUE TO DATA DEDUPLICATION DELETION THREAD EXCEEDING SYSTEM RESOURCES

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • TSM server crashes with Data Deduplication storage pools
    enabled.
    
    Customer/L2 Diagnostics: Before the next crash, start show
    command collection of: txnt, threads, locks, and memory.  Also
    get query sess f=d and query proc.  Trace with flags: dedup
    dedup1 dedup2
    
    The show txnt reports several: "Creator=bfdedup.c"
    
    Trace is filled with dedup actions. Ex:
    
    19:00:46.186 [44][bfdedup.c][8296][bfDerefQueueThread]:
    Inserting chunk 33592437 for node 29 into queued chunk table
    from the deref'd chunks table with flag 1.
    19:00:46.186 [44][bfdedup.c][8296][bfDerefQueueThread]:
    Inserting chunktfile (chunk) 11333536 has already been deleted
    
    Core stack in this case was not helpful.
    
    Actlog may or may not have the following messages:
    ANR0163E dbieval.c(879): Database insufficient memory detected
    on 30:2.
    ANR0162W Supplemental database diagnostic information:
    -1:57011:-912 ([IBM][CLI Driver][DB2/AIX64]
    SQL0912N  The maximum number of lock requests has been reached
    for the database.  SQLSTATE=57011).
    ANR0106E admevent.c(1222): Unexpected error 3 fetching row in
    table "Client.Eventrules".
    ANR9999D_1910305017 smExecuteSession(smexec.c:2379) Thread<352>:
    Session xxx with client name
    (WinNT) rejected - error creating the central logging vector.
    ANR9999D Thread<352>  0x000000010035b8b0 smExecuteSession
    ANR9999D Thread<352>  0x0000000100098028 psSessionThread
    ANR9999D Thread<352>  0x0000000100009b28 StartThread
    ANR0163E dbieval.c(879): Database insufficient memory detected
    on 29:1.
    
    Initial Impact: Medium
    
    Additional Keywords:   Dedup crash dump mem
    zz61
    

Local fix

  • Set the following option in the TSM server option file and
    restart TSM.  This option turns off the dedup deletion thread:
    DEDUPDELETIONTHREADS 0
    Get to fixing level
    

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 6.1.4.                              *
    *                 Note that this is subject to change at the   *
    *                 discretion of IBM.                           *
    ****************************************************************
    See ERROR DESCRIPTION.
    

Problem conclusion

  • The described problem has been resolved.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC66284

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    61A

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-02-12

  • Closed date

    2010-02-22

  • Last modified date

    2010-02-22

  • 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

  • R61A PSY

       UP

  • R61H PSY

       UP

  • R61L PSY

       UP

  • R61S PSY

       UP

  • R61W PSY

       UP



Rate this page:

(0 users)Average rating

Document information


More support for:

Tivoli Storage Manager

Software version:

61A

Reference #:

IC66284

Modified date:

2010-02-22

Translate my page

Machine Translation

Content navigation