To debug an OpenShift upgrade issue, you will want to start by looking at the Cluster Version Operator (or CVO) to see how it is progressing the upgrade, and/or how different components are reacting to being asked to upgrade.
Always start by gathering information on the cluster version:
$ oc get clusterversion $ oc get clusterversion -o yaml
- The yaml...
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.