Applies to ONTAP 9 Answer Yes, the previous inactive data will be compressed after the inactive-data-compression is changed from disable to enable. To change the inactive-data-compression using the fo...Applies to ONTAP 9 Answer Yes, the previous inactive data will be compressed after the inactive-data-compression is changed from disable to enable. To change the inactive-data-compression using the following command: volume efficiency inactive-data-compression modify -is-enabled true Additional Information volume efficiency inactive-data-compression modify