OpenShift Cluster Version Operator Hung During Shutdown

Solution Verified - Updated -

Issue

  • CVO is not processing upgrade commands from oc
  • CVO log ends with failure about shutting down metrics server followed by lots of Invalidating discovery information:
2021-06-15T22:29:00.609672914Z E0615 22:29:00.609649       1 metrics.go:160] Failed to gracefully shut down metrics server: accept tcp [::]:9099: use of closed network connection
2021-06-15T22:29:39.799904223Z I0615 22:29:39.799697       1 discovery.go:214] Invalidating discovery information

Environment

  • Red Hat OpenShift Container Platform
    • 4.6

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