Dell NetWorker 19.9 Administration Guide

Pool parallelism

The Max parallelism attribute on the Configuration tab of the Pool resource defines the parallelism for a pool.

Pool parallelism determines the maximum number of simultaneous save streams for each device that belong to a NetWorker pool. The default value for this attribute is 0, which means that the attribute has no effect on other parallelism settings.

You can use pool parallelism to increase recovery times. For example, you can create a pool to back up business critical data and use this attribute to restrict the number of save sets that NetWorker writes in parallel to the media in the pool. As a result, recovery speed increases for data on that media.

However, when you set the Max parallelism attribute to 1,a prolonged delay between the backup of save sets may occur. To resolve this issue, increase the Max parallelism attribute for the pool resource.