IC92959: NODE REPLICATION MIGHT UNEXPECTEDLY PREEMPT CLIENT BACKUP OPERATIONS

IBM Tivoli Storage Manager V6.3 Fix Pack 5 (6.3.5.000) Server Downloads

APAR status

• Closed as program error.

Error description

• The Tivoli Storage Manager REPLICATE NODE server command
  currently is on the list of high priority server processes and
  by this will preempt lower priority processes mountpoints.
  
  NODE REPLICATION process priority should be reduced to not
  preempt operations, e.g. client backup operations.
  
  Tivoli Storage Manager Versions Affected:
  Tivoli Storage Manager Server version  6.3 on all supported
  platforms
  
  Initial Impact:
  medium
  
  Additional Keywords:
  TSM zz63 repl preempt
  

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

Problem conclusion

• This problem was fixed.
  
  The mount point preemption and volume preemption priority for
  node replication will be changed to match the priority for
  storage pool backup.  As a result, node replication will no
  longer preempt other processes, but other processes can preempt
  node replication.  In the Administrator's Guide, the following
  topics will be updated accordingly: "Mount point preemption" and
  
  "Volume access preemption."
  
  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