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2.7. Verifying the upgrade

Ensure that:

  • The cluster is healthy.
  • The master, node, and etcd services or static pods are running well.
  • The OpenShift Container Platform, docker-registry, and router versions are correct.
  • The original applications are still available, and new application can be created.
  • Running oc adm diagnostics produces no errors.

To verify the upgrade:

  1. Check that all nodes are marked as Ready: 

    # oc get nodes
NAME                     STATUS    ROLES        AGE       VERSION
master1.example.com      Ready     master       47d       v1.11.0+d4cacc0
master2.example.com      Ready     master       47d       v1.11.0+d4cacc0
master3.example.com      Ready     master       47d       v1.11.0+d4cacc0
infra-node1.example.com  Ready     infra        47d       v1.11.0+d4cacc0
infra-node2.example.com  Ready     infra        47d       v1.11.0+d4cacc0
node1.example.com        Ready     compute      47d       v1.11.0+d4cacc0
node2.example.com        Ready     compute      47d       v1.11.0+d4cacc0
    Copy to Clipboard Toggle word wrap

  2. Verify that the static pods for the control plane are running: 

    # oc get pods -n kube-system
NAME                                 READY     STATUS    RESTARTS   AGE
master-api-master1.example.com           1/1       Running   4          1h
master-controllers-master1.example.com   1/1       Running   3          1h
master-etcd-master1.example.com          1/1       Running   6          5d
[...]
    Copy to Clipboard Toggle word wrap

  3. Verify that you are running the expected versions of the docker-registry and router images, if deployed: 

    # oc get -n default dc/docker-registry -o json | grep \"image\"
    "image": "openshift3/ose-docker-registry:v3.11",
# oc get -n default dc/router -o json | grep \"image\"
    "image": "openshift3/ose-haproxy-router:v3.11",
    Copy to Clipboard Toggle word wrap

  4. Use the diagnostics tool on the master to look for common issues: 

    # oc adm diagnostics
...
[Note] Summary of diagnostics execution:
[Note] Completed with no errors or warnings seen.
    Copy to Clipboard Toggle word wrap
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