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Why is TPS supported on fabricpool volumes in FSx but not on-prem ONTAP

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Applies to

  • ONTAP 9
  • FSx
  • TPS (Tamper-proof snapshots)
  • Snaplock

Answer

  • On-prem data is not considered tamper-proof once it is tiered to an object-store.
    • Reasons for may be because object-stores can be modified and changed, and the underlying disks in the object-store are outside ONTAP's visibility and protection.
    • ONTAP will only support the feature on FabricPool volumes if the volume doesn't have any blocks tiered to the object-store and the tiering policy is set to “none”.
  • However, unlike on-prem ONTAP platforms, the ONTAP instance and object-store in FSx is fully managed and is not accessible.
  • This allows snaplock compliance and the ability to support Tamper-proof Snapshot Locking.

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