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Trident Pool Information Not Updated After ONTAP Volume Move

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Applies to

  • NetApp Trident
  • Trident deployments using TridentBackendConfig (TBC)
  • Environments with multiple aggregates in SVM aggr-list

Issue

After moving a Trident-managed ONTAP volume to a different aggregate, the backend pool information in Trident does not reflect the new aggregate location. This results in:

  • tridentctl get volume -n trident -o yaml continues to show the old aggregate.
  • Provisioning a new PVC may cause Trident to create a new FlexVol on the source aggregate, even if the moved volume has available qtree slots.
  • Attempts to manually update the backend with tridentctl update backend fail with:

Error: could not update backend NAS-HC-615: cannot update backend 'NAS-HC-615' created using TridentBackendConfigCR; please update the TridentBackendConfigCR (400 Bad Request)

  • Editing the TBC does not update pool information for the moved volume.
  • Both source and destination aggregates remain in the SVM aggr-list.

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