IC87129: REMOTE LOCATION OCCUPANCY STATISTICS MIGHT BE RESET WHEN DEFINED QUOTA LIMIT IS EXCEEDED.

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APAR status

  • Closed as program error.

Error description

  • When using scheduled email backups and defining a too small
    quota limit on the remote location, it is possible to reach
    a condition where the occupancy statistics are reset and
    do not reflect the real occupancy anymore.
    
    This can be due to the designed behaviour difference
    between standard versioned file backups and scheduled
    email backups :
    
       Standard Remote Backup    Email Backup
       ----------------------    ------------
       Files are purged when     Files are not purged to
       the remotepool quota is   make room for more files.
       reached to make room for
       more files.
    
    Customer/L2 Diagnostics :
    
    This example shows the problem :
    
    1. Define a quota limit of 5 MB on the remote location
    2. Configure Tivoli Data Protection for Files to protect
       a file A.pst of 1 MB
    3. Scheduled mail replication to the remote location copies
       the file A.pst without problem.
    4. Define 3 new files of 1 MB : B.pst, C.pst, D.pst
    5. Again, scheduled replication copies these files and
       current remote occupancy is still ok : 4 MB < quota of 5 MB
    6. Define a new file E.pst of 1 MB and backup also another
       small file : x.txt
    8. Tivoli Data Protection for Files will not be able to purge
       an e-mail file to get 20% below the defined quota limit
       of 5 MB. The statistics will be reset and will report only
       the occupancy for file x.txt
    
    Versions Affected:
    Tivoli Continuous Data Protection for Files 3.1
    Fastback for Workstations 6.x
    
    Initial Impact: Low
    Additional Keywords: cdp fb4w FSB4WS
                         continuous data protection for files
                         fastback for workstations
    

Local fix

  • 1. Define the Maximum space for backups large enough to
       contain all the intended mail file backups in addition
       to all the other files intended for backup.
       Please have a look at this technical document :
       http://www-01.ibm.com/support/docview.wss?uid=swg21259559
    2. Then to get back to normal :
       Open a command line prompt,
       change directory to the install directory,
       run the command "fpa sync execute=1",
       and wait for it to finish.
    

Problem summary

  •  Remote location occupancy statistics might be r
    eset when defined quota limit is exceeded.
    

Problem conclusion

  •  Fixed in version 6.3.0.2 or higher
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC87129

  • Reported component name

    TIV CONT DP FOR

  • Reported component ID

    5608CDFCL

  • Reported release

    630

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-10

  • Closed date

    2012-10-10

  • Last modified date

    2012-10-10

  • APAR is sysrouted FROM one or more of the following:

    IC82899

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    TIV CONT DP FOR

  • Fixed component ID

    5608CDFCL

Applicable component levels

  • R630 PSY

       UP



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Document information


More support for:

Tivoli Continuous Data Protection for Files

Software version:

630

Reference #:

IC87129

Modified date:

2012-10-10

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