- OpenShift 4.12 upgrade stuck with the Machine Config Operator (MCO) degraded due to mismatched osImageURL target.
- The common workaround from KCS Solution 5598401 is not helping, and we have lost SSH access to the node after attempting to force the config.
- When trying to log in as core user with password, the core home directory was missing which was preventing a switch to root user.
Red Hat OpenShift Container Platform 4.12
Cluster nodes with large XFS filesystems (>2-3TB)
Clusters with extensions (i.e. layered packages, kernel-rt) in use
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