oc-adm-drain-cordon-uncordon

Status: IN

`oc adm cordon` marks a node unschedulable; `oc adm uncordon` re-enables scheduling; `oc adm drain` evicts pods and marks the node unschedulable.

Source: entries/2026/03/05/en-documentation-openshift_container_platform-417-html-nodes-working-with-nodes.md