红帽全球峰会7.2. Verifying node health
You can verify and troubleshoot node-related issues by reviewing the status, resource usage, and configuration of a node.
Review cluster node health status, resource consumption statistics, and node logs. Additionally, query kubelet status on individual nodes.
Prerequisites
-
You have access to the cluster as a user with the
cluster-adminrole. -
You have installed the OpenShift CLI (
oc).
Procedure
List the name, status, and role for all nodes in the cluster:
$ oc get nodesSummarize CPU and memory usage for each node within the cluster:
$ oc adm top nodesSummarize CPU and memory usage for a specific node:
$ oc adm top node my-node
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