Disk pressure alarm remains on a drained node on Openshift Container Platform 4
Issue
- Disk pressure alarm and a high usage of disk space on the root partition remains after the execution of the command
oc adm drain <NodeName> --delete-local-storagein order to clean the ephemeral storage. - No other relevant cause of the high disk usage (like a large amount of logs) was discovered.
Environment
- Red Hat Openshift Container Platform (OCP) 4
- 4.6
- 4.7
- 4.8
- 4.9
- 4.10
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