update the filesystem metrics check to filter out customer PVs
update the filesystem metrics check to filter out customer PVs

ivanhorvath/openshift-tools,drewandersonnz/openshift-tools,joelddiaz/openshift-tools,blrm/openshift-tools,joelddiaz/openshift-tools,ivanhorvath/openshift-tools,ivanhorvath/openshift-tools,joelddiaz/openshift-tools,openshift/openshift-tools,joelddiaz/openshift-tools,openshift/openshift-tools,joelddiaz/openshift-tools,openshift/openshift-tools,openshift/openshift-tools,openshift/openshift-tools,blrm/openshift-tools,drewandersonnz/openshift-tools,drewandersonnz/openshift-tools,blrm/openshift-tools,ivanhorvath/openshift-tools,blrm/openshift-tools,blrm/openshift-tools,ivanhorvath/openshift-tools,drewandersonnz/openshift-tools,openshift/openshift-tools,ivanhorvath/openshift-tools,blrm/openshift-tools,joelddiaz/openshift-tools,drewandersonnz/openshift-tools,drewandersonnz/openshift-tools