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Merge pull request #26098 from liggitt/kubelet-upgrade 

Clarify that nodes must be drained before minor version kubelet upgrades
pull/26128/head
Kubernetes Prow Robot 2021-01-17 08:41:43 -08:00 committed by GitHub
parent d19b83ffd5 8781aceb62
commit 2f5cfe4624
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content/en/docs/setup/release/version-skew-policy.md
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@ -140,6 +140,11 @@ Pre-requisites:
Optionally upgrade `kubelet` instances to **{{< skew latestVersion >}}** (or they can be left at **{{< skew prevMinorVersion >}}** or **{{< skew oldestMinorVersion >}}**)
{{< note >}}
Before performing a minor version `kubelet` upgrade, [drain](/docs/tasks/administer-cluster/safely-drain-node/) pods from that node.
In-place minor version `kubelet` upgrades are not supported.
{{</ note >}}
{{< warning >}}
Running a cluster with `kubelet` instances that are persistently two minor versions behind `kube-apiserver` is not recommended: