Unable to View Storage Backend Capacity and PVC Utilization for VMs in RHOCP 4 console

Solution Verified - Updated -

Issue

  • Unable to view storage backend capacity and Persistent Volume Claim utilization in the OpenShift console.
  • The Used column in the PVC list view displays - (no value) for all PVCs, including those attached to virtual machines.
  • Prometheus metrics, such as kubelet_volume_stats_used_bytes, return 0 or No datapoints found, preventing from monitoring PVC usage and storage consumption.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • Persistent Volumes configured with volumeMode: Block

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content