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updates per Will's feedback

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Mark Bishop
2018-05-03 17:00:49 -07:00
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content/rancher/v2.x/en/installation/server-installation/ha-server-install/_index.md
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# High Availability Rancher Server Install
You have the option of installing Rancher Server in a High-Availability (HA) configuration. This configuration sets up multiple Rancher Servers, which ensure that you can always access Rancher, even when one of your Rancher Servers is down for maintentance.
You have the option of installing Rancher Server in a High-Availability (HA) configuration. This configuration sets up 3-node Kubernetes cluster with two Rancher Server instances, which ensure that you can always access Rancher, even when one of your Rancher Servers is down.
Install Rancher in an HA configuration using the Rancher Kubernetes Engine (RKE). RKE is Rancher's own fast and light-weight Kubernetes installer. Use RKE to set up a new cluster that deploys Rancher as an addon.
Complete one of the following procedures to install Rancher in an HA configuration:
Complete one of the following procedures to install Rancher in an HA configuration.
- [SSL Passthrough]({{< baseurl >}}/rancher/v2.x/en/installation/server-installation/ha-server-install/ssl-passthrough/)
In this scenario, your High-Availability Rancher Servers handle SSL decryption rather than a Load Balancer.
>**STOP**
> Before you begin this procedure, you must complete [SSL Config: In the Rancher Container]({{< baseurl >}}/rancher/v2.x/en/installation/ssl-config/#certificate-host-inside-the-rancher-container).
- [SSL Termination]({{< baseurl >}}/rancher/v2.x/en/installation/server-installation/ha-server-install/ssl-termination/)
In this scenario, your Load Balancer handles all SSL encryption, and then forwards on the communication within your Kubernetes cluster unencrypted.
>**STOP**
> Before you begin this procedure, you must complete [SSL Config: External Load Balancer or Proxy]({{< baseurl >}}/rancher/v2.x/en/installation/ssl-config/#instructions-for-the-loadbalancer-or-proxy).
content/rancher/v2.x/en/installation/server-installation/ha-server-install/ssl-passthrough/_index.md
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In this scenario, your High-Availability Rancher Servers handle SSL decryption rather than a Load Balancer.
## Before you Start:
Complete [SSL Config: In the Rancher Container]({{< baseurl >}}/rancher/v2.x/en/installation/ssl-config/#certificate-host-inside-the-rancher-container).
## Objectives
We've broken installation of Rancher with SSL passthrough into a series of smaller tasks. Here's what you'll do during install.
content/rancher/v2.x/en/installation/server-installation/ha-server-install/ssl-termination/_index.md
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In this scenario, your Load Balancer handles all SSL decryption, and then forwards the decrypted communications to your cluster.
## Before You Start
Complete [SSL Config: External Load Balancer or Proxy]({{< baseurl >}}/rancher/v2.x/en/installation/ssl-config/#instructions-for-the-loadbalancer-or-proxy)
## Objectives
We've broken installation of Rancher with SSL termination into a series of smaller tasks. Here's what you'll do during your install.