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[OCPBUGS#34889]: Add warning about rebooting nodes #110736

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[OCPBUGS#34889]: Add warning about rebooting nodes #110736

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5 changes: 5 additions & 0 deletions updating/updating_a_cluster/updating-hardware-on-nodes-running-on-vsphere.adoc
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Expand Up @@ -24,6 +24,11 @@ You can update your virtual hardware immediately or schedule an update in vCente
* Before upgrading OpenShift 4.12 to OpenShift 4.13, you must update vSphere to *v8.0 Update 1 or later*; otherwise, the OpenShift 4.12 cluster is marked *un-upgradeable*.
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[WARNING]
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Updating custom API certificates triggers a rolling reboot of the control plane nodes via the Machine Config Operator. These nodes must be updated serially. Ensure each node returns to a Ready state and the `etcd` static pods are healthy before the next node in the sequence begins its update. Failure to do so may result in a loss of etcd quorum and cluster-wide downtime.
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// Updating the virtual hardware for control plane nodes on vSphere
include::modules/update-vsphere-virtual-hardware-on-control-plane-nodes.adoc[leveloffset=+1]

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