Improve storage-calculator script add update to support oc 3.9. (#1291)
Improve storage-calculator script add update to support oc 3.9. (#1291)

* Improve storage calcs script add update to support oc 3.9.
* oc 3.11 prefixes pv with persistentvolumeclaim.
* Add support for labeling the namespace for reporting via grafana.

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