IT16672: 7.1 QUERY PROCESS OUTPUT SHOWS DEDUPLICATED BYTES VALUE FOR NON DEDUP POOL MIGRATION AND RECLAMATION PROCESSES

7.1.8.000-TIV-TSMSRV-AIX
7.1.8.000-TIV-TSMSRV-HP-UX
7.1.8.000-TIV-TSMSRV-Linuxppc64
7.1.8.000-TIV-TSMSRV-Linuxs390x
7.1.8.000-TIV-TSMSRV-Linuxx86_64
7.1.8.000-TIV-TSMSRV-SolarisSPARC
7.1.8.000-TIV-TSMSRV-WIN
7.1.8.000-TIV-TSMOC-AIX
7.1.8.000-TIV-TSMOC-Linuxx64
7.1.8.000-TIV-TSMOC-Windows
7.1.8.000-TIV-TSMOC-LinuxPPC64
7.1.8.000-TIV-TSMOC-LinuxPPC64le
7.1.8.000-TIV-TSMOC-LinuxS390

APAR status

• Closed as fixed if next.

Error description

• Starting in 7.1 the query process output has a new field call
  deduplicated bytes. This value represents the number of
  deduplicated bytes processed for the given process. Because the
  dedup info for an object remains associated with it even when
  the object moves into a non-dedup pool where it is actually no
  longer deduplicated this information is still seen by migration
  and reclamation processing even when both the source and target
  pools are non-dedup. A non zero deduplicated bytes value may be
  confusing to see in a case where no data deduplication actually
  exists. This value should be zeroed in the case were no actual
  dedup data is processed. For this situation to occur the data
  must have previously been in a deduplicated storage pool such
  that is has dedup info associated with it although it now reside
  in a non-dedup pool.
  Below is an example of a non-dedup FILE pool migration to tape
  pool output that shows a value for deduplicated bytes:
  2,605 Migration  Volume /tsm/pool/file_001.dsm (storage
                   pool DISK_NOCOPY), Moved Files: 459906, Moved
                   Bytes: 193 GB, Deduplicated Bytes: 192 GB,
                   Unreadable Files: 0, Unreadable Bytes: 0 bytes.
                   Current Physical File (bytes): 10,001 MB Curren
                   input volume: /tsm/pool/file_001.dsm.
                   Current output volume(s): 100018L4.
  Tivoli Storage Manager Versions Affected:
  7.1 all platforms
  
  Initial Impact:
  Low
  
  Additional Keywords:
  TSM incorrect nonzero Spectrum Protect APAR IT07935
  

Local fix

• Ignore any deduplicated bytes values reported by query process
  output not involved with a dedup storage pool.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All Tivoli Storage Manager server users.                     *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * This problem is projected to be fixed in a future version of *
  * the Tivoli Storage Manager server.  Note that this is        *
  * subject to change at the discretion of IBM.                  *
  * Affected platforms:  AIX, HP-UX, Solaris, Linux, and         *
  * Windows.                                                     *
  ****************************************************************
  

Problem conclusion

Temporary fix

Comments

APAR Information

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

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

Fix information

Applicable component levels