Description of problem (please be detailed as possible and provide log
snippets):

In the ODF dashboard, under the PersistentVolumeClaims section, the "Used" field is missing in the details of a specific cephfs PVC, preventing administrators from viewing the amount of space used or available.

From the query kubelet_volume_stats_capacity_bytes, we noticed that the metrics is missing for the relevant PV.

Version of all relevant components (if applicable):
ODF 4.15

Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
Can't monitor usage of the PVC. The PVC logs of customer's major workload.

Is there any workaround available to the best of your knowledge?
Tried restarting ocs-metrics-exporter and prometheus pods, didn't help

Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?
2

Can this issue reproducible?
Yes, in customer's environemnt

Can this issue reproduce from the UI?
Yes

Actual results:
PVC 'Used' metrics is missing for cephfs PV.

Expected results:
PV usage metrics should be visible

Additional info:
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