Alert ClusterVersionOperatorDown is firing on OpenShift Container Platform 4

Solution Verified - Updated -


  • We are receiving the below alert in one of our OCP 4 clusters. Although the cluster-version-operator pod is up and running:

    Alert details (rated as a P2)
    alert: ClusterVersionOperatorDown
    expr: absent(up{job="cluster-version-operator"} == 1)
    for: 10m
      severity: critical
      message: Cluster version operator has disappeared from Prometheus target discovery. Operator may be down or disabled, cluster will not be kept up to date and upgrades will not be possible.


  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.x

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