The NetBackup 7.5.0.x master server appears to "freeze;" administration console hangs as some commands hang indefinitely.

Article:TECH204938  |  Created: 2013-04-10  |  Updated: 2013-07-01  |  Article URL http://www.symantec.com/docs/TECH204938
Article Type
Technical Solution


Issue



The master server appears to "freeze." 

The condition described in this document can be seen when ALL of the following conditions have been met:

  • NetBackup Java/non-Java administration console hangs when selecting Storage Units, Lifecycle Policies, etc.
  • Command line execution of nbemmcmd and bpstulist commands (for example) hang indefinitely without reporting output
  • Restarting the NetBackup Enterprise Media Manager (nbemm) service does not help.
  • Sybase SQLAnywhere has NOT run out of cache per server.log

Environment



This issue affects NetBackup 7.5 through 7.5.0.5 master servers.


Cause



The root cause is multifaceted:

  • NetBackup nbdb database/query issue
  • NetBackup environment and/or configuration resulting in heavy load
  • Possibly underpowered/underprovisioned master server hardware

 


Solution



The formal resolution for this issue (ETrack 3124700) is included in the following release:

  • NetBackup 7.5 Maintenance Release 6 (7.5.0.6)

NetBackup 7.5.0.6 is now available - please access the Related Article below for more information.

Workaround:
Please contact Symantec technical support, referencing this document and Etrack 3206707 to obtain an Emergency Engineering Binary (EEB) bundle containing a fix for this issue for NetBackup 7.5.0.5.


Supplemental Materials

SourceETrack
Value3124700
Description

Port transaction splitting change to 7.5.0.X


Value3206707
Description

Requesting assistance removing incremental TIR data from customers environment.  This is a binary bundle. This resolves the following problems: 

  • ET 3206707  The compression phase of catalog cleanup is being blocked by the true-image-restore-pruning phase. This EEB allows the pruning phase of one cleanup job to run concurrently with the compression phase of another cleanup job. Both can run during catalog backups. 
  • ET 3123528  Port transaction splitting change to 7.5.0.X
  • ET 3156468  Allows backups to be marked eligible for pruning.

 




Article URL http://www.symantec.com/docs/TECH204938


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