IBM Support

IT44449: SPECTRUM PROTECT PLUS EXCHANGE BACKUP UNEXPECTEDLY RUNS AS FULL RATHER THAN INCREMENTAL

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APAR status

  • Closed as program error.

Error description

  • Error Description:
    
    In the job.log you will see PREVIOUS LUN show the same USN over
    several days..
    
    Mon 7 Aug 2023 03:13:47 EDT,2,CTGGA3714,[your.exchange.org]
    Volume (\\?\Volume{6aa9932d-9583-43ab-a302-5d79ab73c818}\  X:\)
    runs as Base Backup  reason: USN may have been reset  valid USN
    range (8589934592 - 9176937328)  previous USN(7195899984)
    ...
    Mon 7 Aug 2023 13:17:31 EDT,2,CTGGA3714,[your.exchange.org]
    Volume (\\?\Volume{6aa9932d-9583-43ab-a302-5d79ab73c818}\  X:\)
    runs as Base Backup  reason: USN may have been reset  valid USN
    range (8589934592 - 9267468832)  previous USN(7195899984)
    ...
    Fri 11 Aug 2023 11:58:26 EDT,2,CTGGA3714,[your.exchange.org]
    Volume (\\?\Volume{6aa9932d-9583-43ab-a302-5d79ab73c818}\ X:\)
    runs as Base Backup  reason: USN may have been reset  valid USN
    range (8589934592 - 9878904160)  previous USN(7195899984)
    
    The USN is hung and results in a Full backup being run
    
    
    
    IBM Spectrum Protect Plus Versions Affected:    10.1.4. X and
    later
    
    
    Additional Keywords   cbt.dll HANG HUNG INCR INCREMENTAL
    TS013737450
    
    
    Local Fix:    N/A
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * IBM Spectrum Protect Plus level 10.1.x.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in IBM Spectrum Protect Plus level     *
    * 10.1.15.3, and 10.1.16. Note that this is subject to change  *
    * at the discretion of IBM                                     *
    ****************************************************************
    

Problem conclusion

  • This problem has been fixed so that after USN journaling is
    reset, the 2nd Exchange backup after a successful re-base backup
    (due to USN journaling reset) will run as incremental backup if
    incremental backup requirements are met.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT44449

  • Reported component name

    SP PLUS

  • Reported component ID

    5737SPLUS

  • Reported release

    A1F

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2023-08-29

  • Closed date

    2023-10-31

  • Last modified date

    2023-10-31

  • 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

    SP PLUS

  • Fixed component ID

    5737SPLUS

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSNQFQ","label":"IBM Spectrum Protect Plus"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A1F","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
01 February 2024