V11 SP8

Increasing the Speed of the Read Operation

You can set the DataMoverUseLookAheadLinkReader additional setting for deduplication-enabled operations and faster read operations such as restores and synthetic full backups of large amounts of data. This additional setting is enabled by default for auxiliary copy operations.

Exception: DataMoverUseLookAheadLinkReader additional setting is not supported for storage policies with silo copies.


  1. From the CommCell Browser, expand Storage Resources > MediaAgents.
  2. Right-click the appropriate MediaAgent associated with the storage policy copy, and then click Properties.
  3. In the MediaAgent Properties dialog box, click the Additional Settings tab, and then click Add.
  4. In the Add Additional Settings on Windows Client dialog box, in the Name box, type DataMoverUseLookAheadLinkReader.

    The Category, Type and Description details fill automatically.

  5. In the Value box, type 1 to enable.
  6. Click OK and then click OK to close the MediaAgent Properties dialog box.