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changelog: clarify 1.17 upgrade requirements

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Clarify the 1.17 upgrade requirements for storage so that it doesn't
ready as if an entire cluster has to be drained before any node can be
upgraded.
This commit is contained in:
Billie Cleek 2020-01-10 12:12:19 -08:00
parent 66262e351d
commit a1f998909e
1 changed files with 1 additions and 1 deletions
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CHANGELOG-1.17.md
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@ -150,7 +150,7 @@ Prior to 1.17 and for existing nodes created by `kubeadm init` where kubelet cli
- Kubeadm: when adding extra apiserver authorization-modes, the defaults `Node,RBAC` are no longer prepended in the resulting static Pod manifests and a full override is allowed. ([#82616](https://github.com/kubernetes/kubernetes/pull/82616), [@ghouscht](https://github.com/ghouscht))
#### Storage
- All nodes need to be drained before upgrading Kubernetes cluster, because paths used for block volumes are changed in this release, so on-line upgrade of nodes aren't allowed. ([#74026](https://github.com/kubernetes/kubernetes/pull/74026), [@mkimuram](https://github.com/mkimuram))
- When CSI is used for block volumes and workers are on-line upgraded (i.e., kubelet is restarted only), masters must be upgraded before workers and each worker must be drained before it can be upgraded. ([#74026](https://github.com/kubernetes/kubernetes/pull/74026), [@mkimuram](https://github.com/mkimuram))
#### Windows
- The Windows containers RunAsUsername feature is now beta.