PVCs are hanging in termination due to the PV's ONTAP volume not being deleted
Applies to
Trident for Kubernetes/Openshift
Issue
After having created a Kubernetes/Trident Snapshot and from that, a Kubernetes PVC clone to be used for another pod,
terminating the original pod, and deleting its PVC does not fully clean up the PV information in trident.
terminating the original pod, and deleting its PVC does not fully clean up the PV information in trident.
The deletion fails due to the clone-busy Snapshot showing at least two errors:
type: 'Warning' reason: 'VolumeFailedDelete' persistentvolume pvc-UUID is still attached to node WORKER_NODE
API status: failed, Reason: Failed to delete volume \"trident_PREFIX_pvc_UUID\" in Vserver \"VSERVER\" because it has one or more clones.\n\nUse the \"volume clone show -parent-vserver VSERVER -parent-volume trident_PREFIX_pvc_UUID\" command to list clones, and either delete or split the clones and retry the operation.\n\nUse \"volume clone split start -vserver \u003cvserver name\u003e -flexclone \u003cclone name\u003e\" to split clones.\nUse \"volume delete -vserver \u003cvserver name\u003e -volume \u003cclone name\u003e\" to delete clones., Code 15894","level":"error","message":"Unable to delete volume from backend."
Additionally, the PVCs show as released in the output "oc|kubectl get pvc -o wide
".