Merge branch 'master' into dev-1.18
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@@ -30,7 +30,7 @@ The upgrade workflow at high level is the following:
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- You need to have a kubeadm Kubernetes cluster running version 1.16.0 or later.
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- [Swap must be disabled](https://serverfault.com/questions/684771/best-way-to-disable-swap-in-linux).
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- The cluster should use a static control plane and etcd pods or external etcd.
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- Make sure you read the [release notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md) carefully.
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- Make sure you read the [release notes]({{< latest-release-notes >}}) carefully.
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- Make sure to back up any important components, such as app-level state stored in a database.
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`kubeadm upgrade` does not touch your workloads, only components internal to Kubernetes, but backups are always a best practice.
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