You can use Storage Manager to create, edit, and delete efficiency policies.
Adding efficiency policies You can use Storage Manager to add efficiency policies for running the deduplication operation on a volume on a specified schedule or when the change in volume data reaches a specified threshold value.
What an efficiency policy is An efficiency policy is a job schedule for a deduplication operation on a FlexVol volume.
Understanding predefined efficiency policies You can configure a volume with efficiency policies to achieve additional space savings. You can configure a volume to run inline compression without a scheduled or manually started background efficiency operation configured on the volume.