KubePersistentVolumeFillingUp alarm firing for Prometheus pod in OCP 4

Solution Verified - Updated -

Issue

  • The PersistentVolume claimed by prometheus-k8s-db-prometheus-k8s-X in Namespace openshift-monitoring is only 0% free.
  • Prometheus pod prometheus-k8s-db-prometheus-k8s-X in CrashLoopBackOff state.

Environment

  • Red Hat OpenShift Container Platform
    • 4

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