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Does optimized volume move work when converting a FabricPool NVE volume to NAE

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Applies to

  • ONTAP
  • NetApp Aggregate Encryption
  • NetApp Volume Encryption
  • FabricPool

Answer

ONTAP 9.6 introduced NetApp Aggregate Encryption (NAE) and provided an option to convert existing NetApp Volume Encryption (NVE) volumes to NAE via volume move with-in the same aggregate using same -encrypt-with-aggr-key true switch.  This way, encrypted volumes can take benefit of the aggregate level storage efficiency called cross volume dedup.

ONTAP 9.6 also introduced optimized volume move where the data in cloud tier is not moved when volume move is performed, if both source and destination aggregates are attached to the same object store.

In a FabricPool configuration when the NVE volume is moved to an NAE aggregate, the same NVE key is used as the NAE unique key, so the tiered cloud data is not changed.

  • In order to take benefit of the optimized volume move during the NVE to NAE conversion, it must be performed from one aggregate to another.
  • If the volume move is performed with-in the same aggregate to convert NVE to NAE, then all the data on the cloud tier will be moved back to the performance tier.

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