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  1. OpenShift Bugs
  2. OCPBUGS-25462

Number of configured control plane replicas should be validated

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      *Cause*: The number of control plane replicas could be set to an invalid control plane such as 2
      *Consequence*: No errors were reported during ISO generation, the cluster installation fails at a much later stage
      *Fix*: A validation is added to prevent any misconfiguration of the control plane replicas at the ISO generation time
      *Result*: Bug doesn't present anymore. The users are shown a validation error at the ISO generation time, for example, "ControlPlane.Replicas can only be set to 3 or 1. Found 2"
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      *Cause*: The number of control plane replicas could be set to an invalid control plane such as 2 *Consequence*: No errors were reported during ISO generation, the cluster installation fails at a much later stage *Fix*: A validation is added to prevent any misconfiguration of the control plane replicas at the ISO generation time *Result*: Bug doesn't present anymore. The users are shown a validation error at the ISO generation time, for example, "ControlPlane.Replicas can only be set to 3 or 1. Found 2"
    • Bug Fix
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      The number of control plane replicas defined in install-config.yaml (or agent-cluster-install.yaml) should be validated to check its set to 3, or 1 in the case of SNO. If set to another value the "create image" command should fail.

      We recently had a case where the number of replicas was set to 2 and the installation failed. It would be good to catch this misconfiguration prior to the install.

            ppinjark@redhat.com pawan pinjarkar
            bfournie@redhat.com Robert Fournier
            Manoj Hans Manoj Hans
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              Created:
              Updated: