IBM Support

IC96645: DURING A RECONCILE PROCESS, THE TARGET SERVER HOLDS A LARGE NUMBER OF LOCKS WHICH RESULTS IN POOR PERFORMANCE

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When a large number of virtual volumes must be reconciled,
    performance will deteriorate slowly resulting in the reconcile
    process taking a long time to complete.
    
    While RECONCILE runs on the target server (after being started
    on a source server), a SHOW LOCKS command submitted to the
    target server every 15 minutes will show the number of locks
    held to increase. Eventually, the number of locks held by the
    reconcile process will be so large that the performance of the
    reconcile process is negatively affected.
    
      TSM Versions Affected:
      All 6.2 and 6.3 Tivoli Storage Manager servers
    
      Customer/L2 Diagnostics (If Applicable):
      None
    
      Initial Impact:
      Medium
    
      Additional Keywords:
      None
    

Local fix

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 6.3.5. 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

    IC96645

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    63L

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-10-04

  • Closed date

    2013-10-29

  • Last modified date

    2013-10-29

  • 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

  • R63A PSY

       UP

  • R63H PSY

       UP

  • R63L PSY

       UP

  • R63S PSY

       UP

  • R63W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 63L

Reference #: IC96645

Modified date: 29 October 2013