IC65323: BACKUP PERFORMANCE DEGRADED WHEN BACKING UP TO DISK STORAGE POOLS WITH CACHING ENABLED

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Using a disk storage pool with caching enabled as target storage
    pool for client backups can lead to significantly degraded
    performance (very little data transfer) during Tivoli Storage
    Manager Client backups. The Tivoli Storage Manager server code
    needs to be corrected to fix this issue.
    
    Versions Affected:
    Tivoli Storage Manager 6.1.3.x
    
    Initial Impact: High
    
    Additional Keywords:
    zz61 incremental cache devc performance
    

Local fix

  • Disable caching on disk storage pool until a fix is available.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All Tivoli Storage Manager server users      *
    *                 with CACHE=YES enabled for DISK storage      *
    *                 pools.                                       *
    ****************************************************************
    * PROBLEM DESCRIPTION: See error description.                  *
    ****************************************************************
    * RECOMMENDATION: Apply fixing level when available. This      *
    *                 problem is currently projected to be fixed   *
    *                 in levels 6.1.3.1 and 6.1.4.0. Note that     *
    *                 this is subject to change at the             *
    *                 discretion of IBM.                           *
    ****************************************************************
    *
    

Problem conclusion

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

Temporary fix

Comments

APAR Information

  • APAR number

    IC65323

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    61W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-01-05

  • Closed date

    2010-01-07

  • Last modified date

    2010-01-07

  • 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



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Document information


More support for:

Tivoli Storage Manager

Software version:

61W

Reference #:

IC65323

Modified date:

2010-01-07

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