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IT10208: 'RECLAMATION' AND 'MOVE DATA' CAN REPORT 'MOVED BYTES' FAR EXCEEDING THE SIZE OF STORAGE POOL OR VOLUME

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APAR status

  • Closed as program error.

Error description

  • During reclamation or move data, the server reconstructs
    bitfiles. During this process there can be a situation where
    the server using "query stgpool" will incorrectly report the
    number of 'Moved Bytes' as a size that way exceeds the size of
    the storage pool being reclaimed or of the volume being moved.
    
    For example:
    
    query stgpool
    
    Process   Process Description   Process Status
      Number
    --------  --------------------
    -----------------------------------
       3,781   Space Reclamation    Offsite Volume(s) (storage pool
                                                   STGPOOL), Moved
                                    Files: 4760, Moved
                                                   Bytes: 16,383 PB,
                                    Deduplicated Bytes: 0
    
                                    KB, Unreadable Files: 0,
                                    Unreadable
                                                    Bytes: 0 KB.
                                    Current Physical File
                                                      (bytes): None
                                    Current output volume(s):
                                                   123456L3.
    
    Notice Moved Bytes is 16,383 PB but in this case storage pool
    has capacity of 540,170 GB
    
    Level 2 diagnostics:
    A server trace with DFMOVE AFMOVE ASVOL   flags will show total
    bytes reducing until it would have hit a negative number
    and thus reports the huge number.
    
    09:15:54.035
    [65][dfmove.c][1890][DfTransferBitFile]:Reconstructed bitfile
    6560299265, rc = 0.
    09:15:54.036 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    1 files, total files 233.
    09:15:54.036 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    1548 bytes, total bytes 164605.
    09:15:54.039
    [65][bfcreate.c][5391][BfReconstruct]:BfGetAggrAttributes
    returned rc=0 for targetBfId=6560299291.
    09:15:54.047
    [65][dfmove.c][1890][DfTransferBitFile]:Reconstructed bitfile
    6560299291, rc = 0.
    09:15:54.047 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    5 files, total files 238.
    09:15:54.047 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    6761 bytes, total bytes 167592.
    09:15:54.059 [65][dfmove.c][1900][DfTransferBitFile]:Copied
    bitfile 6560308485, rc = 0.
    09:15:54.059 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    1 files, total files 239.
    09:15:54.059 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    822 bytes, total bytes 164640.
    09:15:54.062 [65][dfmove.c][1900][DfTransferBitFile]:Copied
    bitfile 6560310602, rc = 0.
    09:15:54.063 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    1 files, total files 240.
    09:15:54.063 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    822 bytes, total bytes 161688.
    09:15:54.075 [65][dfmove.c][1900][DfTransferBitFile]:Copied
    bitfile 6560310611, rc = 0.
    09:15:54.075 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    2 files, total files 242.
    
    .
    .
    
    09:15:54.627 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    646 bytes, total bytes 3557.
    09:15:54.636 [65][dfmove.c][1900][DfTransferBitFile]:Copied
    bitfile 6559793514, rc = 0.
    09:15:54.636 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    4 files, total files 335.
    09:15:54.636 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    2443 bytes, total bytes 2226.
    09:15:54.643 [65][dfmove.c][1900][DfTransferBitFile]:Copied
    bitfile 6559793878, rc = 0.
    09:15:54.644 [65][dfmove.c][1930][DfTransferBitFile]:Transferred
    1 files, total files 336.
    09:15:54.644 [65][dfmove.c][1932][DfTransferBitFile]:Transferred
    645 bytes, total bytes 18446744073709550713. <= this would have
    been negative number
    
    
    
    
    
    
    Tivoli Storage Manager Server Versions Affected:  7.1.x on all
    supported platforms
    
    
    Initial Impact: Low
    
    Additional Keywords:  TSM reclaim reclamation size moved bytes
    move moved data
    

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 7.1.3. Note that this is      *
    * subject to change at the discretion of IBM.                  *
    ****************************************************************
    

Problem conclusion

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

Temporary fix

Comments

APAR Information

  • APAR number

    IT10208

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    71W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2015-07-23

  • Closed date

    2015-07-29

  • Last modified date

    2015-07-29

  • 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

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 7.1.3

Reference #: IT10208

Modified date: 29 July 2015