V11 SP8

Improving Bandwidth Utilization with DASH Copy or Backups with Deduplication

If the network utilization during DASH Copy or backups with deduplication is low, apply all the below settings on all source data mover MediaAgents associated with the source storage policy copy. These settings are enabled by default for auxiliary copy operations.

Increase the Speed of the Read Operation

Use DataMoverUseLookAheadLinkReader additional settings to increase the speed of the read operation.

For more information, see Increasing the Speed of the Read Operation.

Increase the Number of Signature Look Ups in the Destination Deduplication Database

You can improve the DASH copy efficiency by performing more signature lookups on the destination DDB by

  • Setting the number of read ahead links for deduplication from the subclient level from the Commcell Console. For more information, see subclient specific performance tab.
  • Optionally you can use the DataMoverLookAheadLinkReaderSlots additional setting. For more information on configuring an additional settings see, Add or Modify an Additional Setting.