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MCO add links to runbooks

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Michael Burke
2024-10-24 14:47:27 -04:00
committed by openshift-cherrypick-robot
parent a67435c1ef
commit 42d7de5195
1 changed files with 5 additions and 0 deletions
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modules/machine-config-node-drain.adoc
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@@ -18,6 +18,11 @@ After you make the changes, the MCO generates a new rendered machine config. In
Throughout this process, the MCO maintains the required number of pods based on the `MaxUnavailable` value set in the machine config pool.
[NOTE]
====
There are conditions which can prevent the MCO from draining a node. If the MCO fails to drain a node, the Operator will be unable to reboot the node, preventing any changes made to the node through a machine config. For more information and mitigation steps, see the link:https://github.com/openshift/runbooks/blob/master/alerts/machine-config-operator/MachineConfigControllerDrainError.md[MCCDrainError] runbook.
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If the MCO drains pods on the master node, note the following conditions:
* In {sno} clusters, the MCO skips the drain operation.