Upgrade process gets stuck in the etcd operator. Etcd pod crashes with the error "Init:CrashLoopBackOff"
Issue
- The error manifests once the cluster starts the upgrade from 4.12.z to 4.13.z.
- Cluster upgrade process doesn't move forward.
- Etcd pods keep crashing with the
Init:CrashLoopBackOff
. - Either restarting the pod or the node doesn't fix the issue.
Environment
- Red Hat OpenShift Container Platform (RHOCP) 4.12.
- Virtualized environments.
- Baremetal hosts.
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