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NetApp Knowledge Base

How do I realize aggregate deduplication space savings after moving NVE volumes to NAE volumes?

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Category:
ontap-9
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core
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Applies to

  • ONTAP 9
  • NetApp Volume Encryption (NVE)
  • NetApp Aggregate Encryption (NAE)

Answer

  1. Enable cross-volume-background-dedupe on all NAE volumes:

volume efficiency modify -vserver <vserver_name> -volume <vol_name> -cross-volume-background-dedupe true

  1. Enable cross-volume-inline-dedupe on all NAE volumes:

volume efficiency modify -vserver <vserver_name> -volume <vol_name> -cross-volume-inline-dedupe true

  1. 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

  1. 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

 

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