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  1. OpenShift Bugs
  2. OCPBUGS-39313

SingleReplica HCPs can not upgrade on cluster with nodes in a single zone

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    • 4.15, 4.16, 4.17.0, 4.18.0
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      * Previously, when the hosted cluster `controllerAvailabilityPolicy` was set to `SingleReplica`, `podAntiAffinity` on networking components blocked the availability of the components. With this release, the issue is resolved. (link:https://issues.redhat.com/browse/OCPBUGS-39313[*OCPBUGS-39313*])
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      * Previously, when the hosted cluster `controllerAvailabilityPolicy` was set to `SingleReplica`, `podAntiAffinity` on networking components blocked the availability of the components. With this release, the issue is resolved. (link: https://issues.redhat.com/browse/OCPBUGS-39313 [* OCPBUGS-39313 *])
    • Bug Fix
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      This is a clone of issue OCPBUGS-29497. The following is the description of the original issue:
      —
      While updating an HC with controllerAvailabilityPolicy of SingleReplica, the HCP doesn't fully rollout with 3 pod stuck in Pending

      multus-admission-controller-5b5c95684b-v5qgd          0/2     Pending   0               4m36s
network-node-identity-7b54d84df4-dxx27                0/3     Pending   0               4m12s
ovnkube-control-plane-647ffb5f4d-hk6fg                0/3     Pending   0               4m21s

      This is because these deployment all have requiredDuringSchedulingIgnoredDuringExecution zone anti-affinity and maxUnavailable: 25% (i.e. 1)

      Thus the old pod blocks scheduling of the new pod.

              cewong@redhat.com Cesar Wong
              openshift-crt-jira-prow OpenShift Prow Bot
              Feilian Xie Feilian Xie
              Brendan Daly Brendan Daly
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