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5.6. Verifying the downgrade

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To verify the downgrade:
  1. Check that all nodes are marked as Ready:

    # oc get nodes
    NAME                        STATUS                     AGE
    master.example.com          Ready,SchedulingDisabled   165d
    node1.example.com           Ready                      165d
    node2.example.com           Ready                      165d
  2. Verify the successful downgrade of the registry and router, if deployed:

    1. Verify you are running the v3.10 versions of the docker-registry and router images:

      # oc get -n default dc/docker-registry -o json | grep \"image\"
          "image": "openshift3/ose-docker-registry:v3.10",
      # oc get -n default dc/router -o json | grep \"image\"
          "image": "openshift3/ose-haproxy-router:v3.10",
    2. Verify that docker-registry and router pods are running and in ready state:

      # oc get pods -n default
      
      NAME                       READY     STATUS    RESTARTS   AGE
      docker-registry-2-b7xbn    1/1       Running   0          18m
      router-2-mvq6p             1/1       Running   0          6m
  3. Use the diagnostics tool on the master to look for common issues and provide suggestions:

    # oc adm diagnostics
    ...
    [Note] Summary of diagnostics execution:
    [Note] Completed with no errors or warnings seen.
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