Problem
When Max Jobs and Max IO Streams settings are too high, system resources may be come exhausted on NetBackup Media Servers. This commonly results in high memory utilization.
To optimize performance Veritas recommends the values be set relative to the network performance of the host.
Setting - Max Jobs - Storage Unit
The Max Jobs setting can be changed from within the NetBackup Admin Console.
This value applies to the Storage Unit for each Media Server.
NetBackup Admin Console - Storage Unit Settings |
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Setting - Max IO Streams - Disk Pool
The Max IO Streams setting can be changed from within the NetBackup Admin Console.
This value applies to the Disk Pool configured on the Media Server.
Advanced Disk: The Disk Pool may contain multiple volumes. The 'Maximum I/O Streams' value is multiplied by the number of volumes.
MSDP: The Disk Pool is considered a single volume. The 'Maximum I/O Streams' value is set for the entire disk pool.
NetBackup Admin Console - Disk Pool Settings |
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Please note that this document is a translation from English, and may have been machine-translated. It is possible that updates have been made to the original version after this document was translated and published. Veritas does not guarantee the accuracy regarding the completeness of the translation. You may also refer to the English Version of this knowledge base article for up-to-date information.