The "Extended Compressed Data" field indicates whether extended compressed data is present on the volume. This field shows `true` when both adaptive compression configured with an application IO size ...The "Extended Compressed Data" field indicates whether extended compressed data is present on the volume. This field shows `true` when both adaptive compression configured with an application IO size of 8K and data compaction are enabled. To enable extended compressed data, ensure that both adaptive compression and data compaction are configured correctly. Use the following command to check the current efficiency settings of the volume:
