Merge pull request #31323 from neolit123/1.24-adjust-note-in-upgrade-about-drain

kubeadm-upgrade: adjust note about node drain
This commit is contained in:
Kubernetes Prow Robot
2022-01-13 05:48:30 -08:00
committed by GitHub
@@ -37,8 +37,11 @@ The upgrade workflow at high level is the following:
### Additional information
- [Draining nodes](/docs/tasks/administer-cluster/safely-drain-node/) before kubelet MINOR version
upgrades is required. In the case of control plane nodes, they could be running CoreDNS Pods or other critical workloads.
- The instructions below outline when to drain each node during the upgrade process.
If you are performing a **minor** version upgrade for any kubelet, you **must**
first drain the node (or nodes) that you are upgrading. In the case of control plane nodes,
they could be running CoreDNS Pods or other critical workloads. For more information see
[Draining nodes](/docs/tasks/administer-cluster/safely-drain-node/).
- All containers are restarted after upgrade, because the container spec hash value is changed.
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