Why CephFS PVC fails to get bound in OpenShift Container Storage External Mode?

Solution Verified - Updated -

Issue

  • CephFS PVC never gets bound
  • CephFS PVC keeps pending
  • CephFS PVC shows the following error
omap value cephfs_metadata/csi.volumes.default/csi.volume.pvc-1ac0c6e6-9428-445d-bbd6-1284d54ddb47: (1) Operation not permitted

Environment

  • OpenShift Container Platform 4.5+
  • OpenShift Container Storage in external mode
  • Red Hat Ceph Storage 4.1.1+ upgraded from a previous version

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