How do I realize aggregate deduplication space savings after moving NVE volumes to NAE volumes?
Applies to
- ONTAP 9
- NetApp Volume Encryption (NVE)
- NetApp Aggregate Encryption (NAE)
Answer
1. Set privilege level to advanced:
::> set adv
2. Enable cross-volume-background-dedupe
on all NAE volumes:
::*> volume efficiency modify -vserver <vserver_name> -volume <vol_name> -cross-volume-background-dedupe true
3. Enable cross-volume-inline-dedupe
on all NAE volumes:
::*> volume efficiency modify -vserver <vserver_name> -volume <vol_name> -cross-volume-inline-dedupe true
4. Run volume-level background dedupe
on all NAE volumes and wait for completion of all volumes:
::*> volume efficiency start -volume <vol_name> -vserver <vserver_name> -scan-old-data true -dedupe true
::*> volume efficiency show
5. Run cross-volume background dedupe:
::*> storage aggregate efficiency cross-volume-dedupe start -aggregate <aggr_name> -scan-old-data true and storage aggregate efficiency cross-volume-dedupe show
Additional Information
FAQ: NetApp Volume Encryption and NetApp Aggregate Encryption