Thursday, August 13, 2009

Netbackup Duplication jobs fail with Status Code 191

Cause:
  • More files are open than the memory cache manager can handle. As a result, the cache manager has exhausted the available paged pool memory.
  • The backup program has tried to back up a file whose size is larger than the backup API can access on that version of the operating system. This has the same result (that is, the paged pool is exhausted).
Solution:
  • On the Windows 2003 server in question, 2 Registry Keys (PoolUsageMaximum, PagedPoolSize) may be created to fine-tune how the operating system manages Paged Pool Memory.
  • First create PoolUsageMaximum regkey and set to DWORD value = 60. If that does not work, try value = 40. If that works, increase the value by 25% until it stops working. Go back to last working value.
  • If backups are still failing, use PagedPoolSize with DWORD (hex) value = FFFFFFFF. Do not set this to any other value if you are using the /3GB switch. If you are running /3GB and /PAE together, do not set this setting without extensive testing.

References: http://seer.entsupport.symantec.com/docs/295563.htm

http://support.microsoft.com/kb/304101/en-us

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