IC73305: COPY ACTIVEDATA COMMAND MIGHT CAUSE DATA INTEGRITY PROBLEMS FOR FILES WITHIN A DEDUPLICATED ACTIVE-DATA STORAGE POOL.

IBM Tivoli Storage Manager V5.5 Fix Pack 6 (5.5.6) Server Downloads

APAR status

• Closed as program error.

Error description

• A data movement operation (i.e. reclamation) within an
  active-data (ADP) deduplicated (dedup) storage pool may
  fail with one of the following messages:
  .
    ANR1161W The move process is skipping a damaged file on volume
  .
    ANR1162W Space reclamation skipping damaged file on volume
  .
  This problem may also occur when running IDENTIFY
  DUPLICATES.
  
  This can only occur if the data resides in another deduplicated
  storage pool and has been "identified" for deduplication prior
  to the data being copied to the Active-Data storage pool.
  .
  The corruption can only affect the data within the ADP storage
  pool. All other copies of the file(s) will be unaffected.
  .
  The following DB2 SQL statement can be used to determine if any
  objects have been affected in an active-data storage pool:
  .
  1) Obtain the active-data storage pool id with the following
  statement:
  .
  db2 "select poolid from ss_pools where poolname='<ACTIVE-DATA
  POOL NAME>'"
  .
  2) Use that pool id, issue the following statement to see if
  objects are affected by this APAR.
  This will be the case, if the result comes back with "count>0"
  .
  db2 "select count(be.bfid) from bf_bitfile_extents as be left
  join bf_bitfile_extents as be2 on
  (be.srvid=be2.srvid and be.linkbfid=be2.bfid and
  be.poolid=be2.poolid) left join bf_aggregated_bitfiles
  as bf on (bf.srvid=be2.srvid and bf.bfid=be.bfid and
  bf.superbfid=be2.superbfid and bf.length=0)
  where be.srvid=0 and be.bfid!=9223372036854775807 and
  <active-data pool id>"
  .
  Tivoli Storage Manager Versions Affected:
  Tivoli Storage Manager  server 6.2 on all platforms
  .
  Initial Impact:
  medium
  .
  Additional Keywords:
  zz62 TSM ADP dedup
  

Local fix

• Ensure that the data being copied to the active-data storage
  pool has not been identified for deduplication.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All Tivoli Storage Manager server users of   *
  *                 active-data storage pools.                   *
  ****************************************************************
  * PROBLEM DESCRIPTION: See ERROR DESCRIPTION.                  *
  ****************************************************************
  * RECOMMENDATION: Apply fixing level when available. This      *
  *                 problem is currently projected to be fixed   *
  *                 in levels 5.5.6, 6.1.5, 6.2.2.3 and 6.2.3.   *
  *                 Note that this is subject to change at the   *
  *                 discretion of IBM.                           *
  ****************************************************************
  *
  

Problem conclusion

• The described problem has been resolved.
  

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:

  PM51421

Fix information

• Fixed component name

  TSM SERVER

• Fixed component ID

  5698ISMSV

Applicable component levels

• R55A PSY

     UP

• R55H PSY

     UP

• R55L PSY

     UP

• R55S PSY

     UP

• R55W PSY

     UP

• R55Z PSY

     UP

• R61A PSY

     UP

• R61H PSY

     UP

• R61L PSY

     UP

• R61S PSY

     UP

• R61W PSY

     UP

• R62A PSY

     UP

• R62H PSY

     UP

• R62L PSY

     UP

• R62S PSY

     UP

• R62W PSY

     UP