Unexpected reboot of nodes in OCP 4
Issue
- Nodes rebooted with unknown reason.
- Nodes rebooted unexpectedly.
- What causes the reboot of nodes in OCP 4?
- When
kube-apiserver-to-kubelet-signeris rotated, nodes are rebooted automatically. - Changes in a Machine Config causes the reboot of the nodes.
Environment
- Red Hat OpenShift Container Platform (RHOCP)
- 4
- Red Hat Enterprise Linux CoreOS (RHCOS)
- Machine Config Operator
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