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Why does the new PVC name pattern change after upgrading Trident 19.07 to 21.10?

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Applies to

  • ONTAP 9
  • NFS
  • Trident
  • Upgrade Kubernetes (K8s) from 1.11 to 1.21

Answer

  • As the K8s 1.11+ with Trident 19.07, Trident uses Trident Legacy (non-CSI) with CRDs on K8s. So the created PVC name can be provided with prefix_namespace_pvc_xxxxx.
  • As the K8s 1.21+ with Trident 21.10, Trident uses Trident CSI on K8s. So the created PVC name can only be provided with prefix_pvc_xxxx without namespace.

Additional Information

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Case Citation
0a66ca22-d419-4fea-b0b8-0238cf63cea5