query on vol efficiency start operation

[quasi locust]

I run below command to start the volume efficiency operation.

vol efficiency start -vserver ansibleSVM -volume vol1 -scan-old-data true -use-checkpoint true -qos-policy background -build-metadata true -scan-all true

when I checked status, it turned idle immediately.

vol efficiency show -vserver ansibleSVM -volume vol1

                                 Vserver Name: ansibleSVM
                                  Volume Name: vol1
                                  Volume Path: /vol/vol1
                                        State: Enabled
                                       Status: Idle
                                     Progress: Idle for 00:00:3

there is no data in the volume. is efficiency start operation turns idle if the data not exists in the volume.

Thanks

[torn lava]

The "efficiency start" is just launching a one-time job, your example goes fast because there's no data.
Is your aim to schedule it, or what are you trying to do?