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What an efficiency policy is

An efficiency policy is a job schedule for a deduplication operation on a FlexVol volume or Infinite Volume.

You can run deduplication on a FlexVol volume or Infinite Volume either by scheduling the operations to start at a specific time or by specifying a threshold percentage after which the operations are triggered. You can schedule a deduplication operation by creating job schedules that are enclosed within the efficiency policies or you can specify a threshold percentage, which waits for the new data to exceed the specified percentage and then triggers the deduplication. The volume efficiency policies support only job schedules that are of type cron.