[BUG]: PowerScale Replication - Target NFS exports are not deleted even though target directories are deleted

[santhoshatdell]

Bug Description

NFS exports on the target PowerScale cluster are left behind even though the target directories for target side PVs are deleted. There is a recommended limit of 40,000 active NFS exports per cluster. We should delete the NFS exports too on the target side.
PowerScale cluster allows NFS exports for a path to remain even though that path/directory can be deleted.

Note: This happens only if target PVs are not consumed by PVC/Pod.

Logs

Isilon-1# isi nfs exports list | grep ns71
114193 System /ifs/data/csi/1sl/sl-csi-ns71--Five_Minutes/sl-k8s-5a9a43f7a3
114220 System /ifs/data/csi/1sl/sl-csi-ns71--Five_Minutes/sl-k8s-a155cbe428
Isilon-1#
Isilon-1# ls /ifs/data/csi/1sl/sl-csi-ns71--Five_Minutes/
ls: /ifs/data/csi/1sl/sl-csi-ns71--Five_Minutes/: No such file or directory
Isilon-1#

Screenshots

No response

Additional Environment Information

No response

Steps to Reproduce

• Create PV with replication
• Delete PV

Expected Behavior

Target NFS export to be deleted.

CSM Driver(s)

CSI Driver for PowerScale v2.6.1

Installation Type

No response

Container Storage Modules Enabled

Replication v1.4.0

Container Orchestrator

Kubernetes 1.24

Operating System

RHEL 8.4

[csmbot]

@santhoshatdell: Thank you for submitting this issue!

The issue is currently awaiting triage. Please make sure you have given us as much context as possible.

If the maintainers determine this is a relevant issue, they will remove the needs-triage label and assign an appropriate priority label.

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