IT21654: CONVERT STGPOOL MIGHT LOG "ERROR 3020" AND "SHA MISMATCH" IN THE DSMFFDC.LOG FILE

7.1.7.400-TIV-TSMSRV-WIN
7.1.7.400-TIV-TSMSRV-SolarisSPARC
7.1.7.400-TIV-TSMSRV-Linuxx86_64
7.1.7.400-TIV-TSMSRV-Linuxs390x
7.1.7.400-TIV-TSMSRV-Linuxppc64
7.1.7.400-TIV-TSMSRV-HP-UX
7.1.7.400-TIV-TSMSRV-AIX
8.1.3.000-IBM-SPCMS-WindowsX64
8.1.3.000-IBM-SPCMS-WindowsI32
8.1.3.000-IBM-SPCMS-Linuxx86_64
8.1.3.000-IBM-SPOC-WindowsX64
8.1.3.000-IBM-SPOC-Linuxx86_64
8.1.3.000-IBM-SPOC-Linuxs390x
8.1.3.000-IBM-SPOC-LinuxPPC64le
8.1.3.000-IBM-SPOC-AIX
8.1.3.000-IBM-SPSRV-WindowsX64
8.1.3.000-IBM-SPSRV-Linuxx86_64
8.1.3.000-IBM-SPSRV-Linuxs390x
8.1.3.000-IBM-SPSRV-Linuxppc64le
8.1.3.000-IBM-SPSRV-AIX
IBM Spectrum Protect Server V8.1 Fix Pack 3 (V8.1.3) Downloads
IBM Spectrum Protect Server V7.1 Fix Pack 8 (7.1.8.000) Downloads
IBM Spectrum Protect Server V7.1.7.X interim fix downloads

APAR status

• Closed as program error.

Error description

• IBM Spectrum Protect CONVERT STGPOOL for a dedup enabled file
  device pool might fail with the following messages in the
  actlog:
  
  ANR2017I Administrator <ADMIN> issued command: CONVERT STGPOOL
  <POOLNAME>  (SESSION: XXXX)
  ..
  ANR0984I Process 236 for CONVERT STGPOOL started in the
  BACKGROUND at <TIME>. (SESSION: XXXX, PROCESS: YYYY)
  ANR2110I CONVERT STGPOOL started as process YYYY. (SESSION:
  XXXX, PROCESS: YYYY)
  
   ANR1161W The move process is skipping a damaged file on volume
  <VOLUME>: Node <NODENAME>, Type <TYPE>, File space <FILESPACE>,
  File name <FILENAME>. (SESSION: XXXX, PROCESS: YYYY)
  ..
  ANR1141I Move data process ended for volume <VOLUME>. (SESSION:
  XXXX, PROCESS: YYYY)
  ANR0985I Process YYYY for CONVERT STGPOOL running in the
  BACKGROUND completed with completion state FAILURE at <TIME>.
  (SESSION: XXXX, PROCESS: YYYY)
  ANR1893E Process YYYY for CONVERT STGPOOL completed with a
  completion state of FAILURE. (SESSION: XXXX, PROCESS: YYYY)
  
  Under the APAR condition the following errors are recorded in
  the dsmffdc.log file:
  
  Error 3020 validating chunk XX for object YY
  SHA mismatch on chunk
  
  To verify you are exposed to this PMR submit the following SQL
  select where <objid> is the object number (YY) from the 3020
  error message:
  db2 connect to tsmdb1
  db2 set schema tsmdb1
  db2 "select * from bf_aggregated_bitfiles where
  (length=uncomp_length) and (uncomp_length is not
  null)"
  
  
  If you find a record where the length is equal to the
  uncomp_length you are facing this APAR.
  
    IBM Spectrum Protect Versions Affected: 7.1.3 and newer, 8.1
    Initial Impact: Medium
    Additional Keywords: TSM dedup container
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All IBM Tivoli Storage Manager and IBM Spectrum Protect      *
  * server users.                                                *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in levels 7.1.8 and 8.1.3. Note that   *
  * this is subject to change at the discretion of IBM.          *
  ****************************************************************
  

Problem conclusion

• This problem was fixed.
  Affected platforms for reported release:  AIX, Solaris, Linux,
  and Windows.
  Platforms fixed:  AIX, Solaris, Linux, and Windows.
  

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

• Fixed component name

  TSM SERVER

• Fixed component ID

  5698ISMSV

Applicable component levels