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Merge branch 'master' of https://github.com/kubernetes-incubator/kube…
…-aws into updates * 'master' of https://github.com/kubernetes-incubator/kube-aws: Allow toggling Metrics Server installation Correct values for the `kubernetes.io/cluster/<Cluster ID>` tags Resolves kubernetes-retired#1025 Fix dashboard doco links Fix install-kube-system when node drainer is enabled Follow-up for kubernetes-retired#1043 Two fixes to 0.9.9 rc.3 (kubernetes-retired#1043) Quick start and high availability guides
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# Advanced Topics | ||
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* [etcd Backup & Restore](etcd-backup-and-restore.md) - how to backup and restore etcd either manually or automatically | ||
* [CloudFormation Streaming](cloudformation-updates-in-cli.md) - stream CloudFormation updates during CLI commands `kube-aws up` and `kube-aws update` | ||
* [etcd Backup & Restore](etcd-backup-and-restore.md) - how to backup and restore etcd either manually or automatically | ||
* [Kubernetes Dashboard Access](kubernetes-dashboard.md) - how to expose and access the Kubernetes Dashboard | ||
* [Use An Existing VPC](use-an-existing-vpc.md) - how to deploy a Kubernetes cluster to an existing VPC | ||
* [Kubernetes Dashboard Access and Authentication](kubernetes-dashboard.md) - how to expose and access the Kubernetes Dashboard |
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# High Availability | ||
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To achieve high availability using kube-aws, it is recommended to: | ||
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* Specify at least 3 for `etcd.count` in `cluster.yaml`. See [Optimal Cluster Size](https://coreos.com/etcd/docs/latest/v2/admin_guide.html#optimal-cluster-size) for details of etcd recommendations | ||
* Specify at least 2 for `controller.count` in `cluster.yaml` | ||
* Use 2 or more worker nodes, | ||
* Avoid `t2.medium` or smaller instances for etcd and controller nodes. See [this issue](https://github.com/kubernetes-incubator/kube-aws/issues/138) for some additional discussion. | ||
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# Additional Reading | ||
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There's some additional documentation about [Building High-Availability Clusters](https://kubernetes.io/docs/admin/high-availability/) on the main Kubernetes documentation site. Although kube-aws will taken care of most of those concerns for you, it can be worth a read for a deeper understanding. |
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