IT01862: GENERATE BACKUPSET FOR FILESYSTEM WITH MILLIONS OF OBJECTS MAY STALL

APAR status

• Closed as program error.

Error description

• The symptom has been reported for the creation of a Tivoli
  Storage Manager backupset where the filesystem had more than 50
  million objects.
  After processing some amount of work, the GENERATE BACKUPSET
  stalls and QUERY PROCESS does not show any progress:
  
  GENERATE BACKUPSET       0 of 1 backup sets have completed for a
  total of
                            0 objects and 0 bytes, with 0 objects
  skipped.
                            Of these, 0 backup sets have failed.
  Currently
                            generating backup set <BKSETNAME> for
  node <NODENAME> (data type File).
                            For this backup set, there have been
  23,894,582 objects inspected, 12,971,959
                            objects and 5,217,864,157,595 bytes
  written, and 0 objects skipped.
  
    Tivoli Storage Manager Versions Affected: all supported
    Customer/L2 Diagnostics (If Applicable)
  
    Review of a trace with traceflag BKSET will show the following
  sequence of calls repeated:
    10:44:11.269
  [<THREADID>][imobjgen.c][3425][FindObjects]:bfControl=1,
  setRec->tocTxnCommitted=1
    10:44:11.269
  [<THREADID>][imobjgen.c][3429][FindObjects]:resetting bkStmt
    10:44:11.269
  [<THREADID>][imobjgen.c][3446][FindObjects]:Switching to reg sql
    10:44:11.269
  [<THREADID>][imobjgen.c][4649][SetResetSearch]:Resetting search
  bounds to nodeid=<NODEID>, fsid=0, objtype=1, state=1
    10:44:11.269
  [<THREADID>][imobjgen.c][4698][SetResetSearch]:Setting search
  bounds in registered sql stmt 0x7fff2c26d478 input row
  0x7fff2c26d538 to nodeid=<NODEID>, fsid=<FSID>, objtype=1,
  state=1
    --> note the time gap here
    13:00:05.298
  [<THREADID>][imobjgen.c][3475][FindObjects]:executing reg sql
    15:15:35.270
  [<THREADID>][imobjgen.c][3493][FindObjects]:Reseting bkRow to
  0x7fff2c26d8e0 from input row for registered sql statement
  0x7fff2c26d478.
    15:15:35.271 [<THREADID>][imobjgen.c][3205][FindObjects]:found
  objId=<OBJECTIDX>
    15:15:35.271
  [<THREADID>][imobjgen.c][10160][IsActiveOrGrouped]:Inactive
  ungrouped object <OBJECTIDX>
  
    Initial Impact: Medium
    Additional Keywords: TSM zz62 zz63 zz64 zz71
  

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 levels 6.3.5 and 7.1.1. Note that   *
  * this is subject to change at the discretion of IBM.          *
  ****************************************************************
  

Problem conclusion

• This problem was fixed.
  Affected platforms:  AIX, HP-UX, 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

• R63A PSY

     UP

• R63H PSY

     UP

• R63L PSY

     UP

• R63S PSY

     UP

• R63W PSY

     UP

• R71A PSY

     UP

• R71H PSY

     UP

• R71L PSY

     UP

• R71S PSY

     UP

• R71W PSY

     UP