Applies to ONTAP 9 Aggregate efficiency Answer Yes, when run the command 'storage aggregate efficiency cross-volume-dedupe start -aggregate <aggr_name> -scan-old-data true', it targets only the data t...Applies to ONTAP 9 Aggregate efficiency Answer Yes, when run the command 'storage aggregate efficiency cross-volume-dedupe start -aggregate <aggr_name> -scan-old-data true', it targets only the data that is locally available within the specified aggregate. Tiered data is not included in this process. Additional Information Does ONTAP apply efficiencies to blocks that are tiered-out to Fabricpool?