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clarify wording for Rancher WRT RKE

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William Jimenez
2019-12-03 15:25:37 -08:00
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content/rancher/v2.x/en/installation/ha/_index.md
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For production environments, we recommend installing Rancher in a high-availability configuration so that your user base can always access Rancher Server. When installed in a Kubernetes cluster, Rancher will integrate with the cluster's etcd database and take advantage of Kubernetes scheduling for high-availability.
This procedure walks you through setting up a 3-node cluster with RKE and installing the Rancher chart with the Helm package manager.
This procedure walks you through setting up a 3-node cluster with Rancher Kubernetes Engine (RKE) and installing the Rancher chart with the Helm package manager.
> **Important:** It is not supported, nor generally a good idea, to run Rancher on top of hosted Kubernetes solutions such as Amazon's EKS, or Google's GKE. These hosted Kubernetes solutions do not expose etcd to a degree that is manageable for Rancher, and their customizations can interfere with Rancher operations. It is strongly recommended to use hosted infrastructure such as EC2 or GCE instead.
> **Important:** Rancher Management Server can only be run on an RKE managed Kubernetes cluster. Use of Rancher on hosted Kubernetes or other providers is not supported.
> **Important:** For the best performance, we recommend this Kubernetes cluster to be dedicated only to run Rancher. After the Kubernetes cluster to run Rancher is setup, you can [create or import clusters]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/#cluster-creation-in-rancher) for running your workloads.
> **Important:** For the best performance, we recommend a dedicated Kubernetes cluster for Rancher Management Server. Running user workloads on this cluster is not advised. After deploying Rancher, you can [create or import clusters]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/#cluster-creation-in-rancher) for running your workloads.
## Recommended Architecture