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made changes per Denise's feedback.

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Mark Bishop
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content/rancher/v2.x/en/installation/ha-server-install-external-lb/_index.md
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title: High Availability Installation with External Load Balancer title: High Availability Installation with External Load Balancer
weight: 276 weight: 276
--- ---
This set of instructions creates a new Kubernetes cluster that's dedicated to running Rancher in a high-availability (HA) configuration. This procedure walks you through setup of a 3-node cluster using the Rancher Kubernetes Engine (RKE). The cluster's sole purpose is running pods for Rancher. The setup is based on: This set of instructions creates a new Kubernetes cluster that's dedicated to running Rancher in a high-availability (HA) configuration. This procedure walks you through setting up a 3-node cluster using the Rancher Kubernetes Engine (RKE). The cluster's sole purpose is running pods for Rancher. The setup is based on:
- Layer 7 Loadbalancer with SSL termination (HTTPS) - Layer 7 Loadbalancer with SSL termination (HTTPS)
- NGINX Ingress controller (HTTP) - NGINX Ingress controller (HTTP)
@@ -27,11 +27,11 @@ Installation of Rancher in a high-availability configuration involves multiple p
4. [Download RKE](#4-download-rke) 4. [Download RKE](#4-download-rke)
RKE is a fast, versatile Kubernetes installer that you can use to install Kubernetes on your Linux hosts. [RKE](https://github.com/rancher/rke/releases) is a fast, versatile Kubernetes installer that you can use to install Kubernetes on your Linux hosts.
5. [Download RKE Config File Template](#5-download-config-file-template) 5. [Download RKE Config File Template](#5-download-config-file-template)
RKE uses a `.yml` config file to install and configure your Kubernetes cluster. Download one of our RKE config file templates to get started. RKE uses a YAML config file to install and configure your Kubernetes cluster. Download one of our RKE config file templates to get started.
6. [Configure Nodes](#6-configure-nodes) 6. [Configure Nodes](#6-configure-nodes)
@@ -47,7 +47,7 @@ Installation of Rancher in a high-availability configuration involves multiple p
9. [Backup Your RKE Config File](#9-backup-your-rke-config-file) 9. [Backup Your RKE Config File](#9-backup-your-rke-config-file)
After you've completed configuration of the RKE config file: 1. it's no longer a template, since you'll be using it, and 2. you should backup the RKE config file to a safe place. You can reuse this file for upgrades later. After you've completed configuration of the RKE config file: 1. it's no longer a template since you'll be using it, and 2. you should back up the RKE config file to a safe place. You will reuse this file for upgrades later.
10. [Run RKE](#10-run-rke) 10. [Run RKE](#10-run-rke)
@@ -103,7 +103,7 @@ We have example configurations for the following load balancers:
## 3. Configure DNS ## 3. Configure DNS
Choose a fully qualified domain name (FQDN) that you want to use access Rancher (something like `rancher.yourdomain.com`).<br/><br/> Choose a fully qualified domain name (FQDN) that you want to use to access Rancher (e.g., `rancher.yourdomain.com`).<br/><br/>
1. Log into your DNS server a create a `DNS A` record that points to the IP address of your [load balancer](#2-configure-load-balancer). 1. Log into your DNS server a create a `DNS A` record that points to the IP address of your [load balancer](#2-configure-load-balancer).
@@ -163,7 +163,7 @@ RKE is a fast, versatile Kubernetes installer that you can use to install Kubern
## 5. Download RKE Config File Template ## 5. Download RKE Config File Template
RKE uses a `.yml` config file to install and configure your Kubernetes cluster. There are 2 templates to choose from, depending on the SSL certificate you want to use. RKE uses a YAML config file to install and configure your Kubernetes cluster. There are 2 templates to choose from, depending on the SSL certificate you want to use.
1. Download one of following templates, depending on the SSL certificate you're using. 1. Download one of following templates, depending on the SSL certificate you're using.
@@ -334,12 +334,6 @@ By default, Rancher automatically generates self-signed certificates for itself
## What's Next? ## What's Next?
<<<<<<< HEAD
- Log in to Rancher to make sure it deployed successfully. Open a web browser and navigate to the FQDN chosen in [Configure DNS](#part-3-configure-dns).
- Configure RKE to take snapshots of etcd that you can use as a backup in a disaster scenario. For more information, see [etcd recurring snapshots]({{< baseurl >}}/rancher/v2.x/en/installation/after-installation/etcd-backup-and-restoration/#etcd-recurring-snapshots).
## SSL FAQ / Troubleshooting
=======
You have a couple of options: You have a couple of options:
- Create a backup of your Rancher Server in case of a disaster scenario: [High Availablility Backup and Restoration]({{< baseurl >}}/rancher/v2.x/en/installation/backups-and-restoration/ha-backup-and-restoration). - Create a backup of your Rancher Server in case of a disaster scenario: [High Availablility Backup and Restoration]({{< baseurl >}}/rancher/v2.x/en/installation/backups-and-restoration/ha-backup-and-restoration).
@@ -348,6 +342,5 @@ You have a couple of options:
<br/> <br/>
## FAQ and Troubleshooting ## FAQ and Troubleshooting
>>>>>>> major edits to ha install topic
{{< ssl_faq >}} {{< ssl_faq >}}
content/rancher/v2.x/en/installation/ha-server-install/_index.md
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aliases: aliases:
- /rancher/v2.x/en/installation/after-installation/etcd-backup-and-restoration/ - /rancher/v2.x/en/installation/after-installation/etcd-backup-and-restoration/
--- ---
This set of instructions creates a new Kubernetes cluster that's dedicated to running Rancher in a high-availability (HA) configuration. This procedure walks you through setup of a 3-node cluster using the Rancher Kubernetes Engine (RKE). The cluster's sole purpose is running pods for Rancher. The setup is based on: This set of instructions creates a new Kubernetes cluster that's dedicated to running Rancher in a high-availability (HA) configuration. This procedure walks you through setting up a 3-node cluster using the Rancher Kubernetes Engine (RKE). The cluster's sole purpose is running pods for Rancher. The setup is based on:
- Layer 4 load balancer (TCP) - Layer 4 load balancer (TCP)
- Nginx ingress controller with SSL termination (HTTPS) - Nginx ingress controller with SSL termination (HTTPS)
@@ -29,11 +29,11 @@ Installation of Rancher in a high-availability configuration involves multiple p
4. [Download RKE](#4-download-rke) 4. [Download RKE](#4-download-rke)
RKE is a fast, versatile Kubernetes installer that you can use to install Kubernetes on your Linux hosts. [RKE](https://github.com/rancher/rke/releases) is a fast, versatile Kubernetes installer that you can use to install Kubernetes on your Linux hosts.
5. [Download RKE Config File Template](#5-download-config-file-template) 5. [Download RKE Config File Template](#5-download-config-file-template)
RKE uses a `.yml` config file to install and configure your Kubernetes cluster. Download one of our RKE config file templates to get started. RKE uses a YAML config file to install and configure your Kubernetes cluster. Download one of our RKE config file templates to get started.
6. [Configure Nodes](#6-configure-nodes) 6. [Configure Nodes](#6-configure-nodes)
@@ -49,7 +49,7 @@ Installation of Rancher in a high-availability configuration involves multiple p
9. [Backup Your RKE Config File](#9-backup-your-yaml-file) 9. [Backup Your RKE Config File](#9-backup-your-yaml-file)
After you've completed configuration of the RKE config file: 1. it's no longer a template, since you'll be using it, and 2. you should backup the RKE config file to a safe place. You can reuse this file for upgrades later. After you've completed configuration of the RKE config file: 1. it's no longer a template since you'll be using it, and 2. you should back up the RKE config file to a safe place. You will reuse this file for upgrades later.
10. [Run RKE](#10-run-rke) 10. [Run RKE](#10-run-rke)
@@ -154,7 +154,7 @@ docker run -d --restart=unless-stopped \
## 3. Configure DNS ## 3. Configure DNS
Choose a fully qualified domain name (FQDN) that you want to use access Rancher (something like `rancher.yourdomain.com`).<br/><br/> Choose a fully qualified domain name (FQDN) that you want to use to access Rancher (e.g., `rancher.yourdomain.com`).<br/><br/>
1. Log into your DNS server a create a `DNS A` record that points to the IP address of your [load balancer](#2-configure-load-balancer). 1. Log into your DNS server a create a `DNS A` record that points to the IP address of your [load balancer](#2-configure-load-balancer).
content/rancher/v2.x/en/installation/single-node-install/_index.md
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>**Want to use an external load balancer?** >**Want to use an external load balancer?**
> See [Single Node Installation with an External Loadbalancer]({{< baseurl >}}/rancher/v2.x/en/installation/single-node-install-external-lb) instead. > See [Single Node Installation with an External Load Balancer]({{< baseurl >}}/rancher/v2.x/en/installation/single-node-install-external-lb) instead.
@@ -54,10 +54,17 @@ For security purposes, SSL (Secure Sockets Layer) is required when using Rancher
Choose from the following options: Choose from the following options:
- [Option A—Default Self-Signed Certificate](#option-a-default-self-signed-certificate) - [Installation Outline](#installation-outline)
- [Option B—Bring Your Own Certificate: Self-Signed](#option-b-bring-your-own-certificate-self-signed) - [1. Provision Linux Host](#1-provision-linux-host)
- [Option C—Bring Your Own Certificate: Signed by Recognized CA](#option-c-bring-your-own-certificate-signed-by-recognized-ca) - [Requirements](#requirements)
- [Option D—Let's Encrypt Certificates](#option-d-let-s-encrypt-certificate) - [2. Choose an SSL Option and Install Rancher](#2-choose-an-ssl-option-and-install-rancher)
- [Option A—Default Self-Signed Certificate](#option-adefault-self-signed-certificate)
- [Option B—Bring Your Own Certificate: Self-Signed](#option-bbring-your-own-certificate--self-signed)
- [Option C—Bring Your Own Certificate: Signed by Recognized CA](#option-cbring-your-own-certificate--signed-by-recognized-ca)
- [Option D-Let's Encrypt Certificate](#option-d-lets-encrypt-certificate)
- [What's Next?](#whats-next)
- [FAQ and Troubleshooting](#faq-and-troubleshooting)
- [Persistent Data](#persistent-data)
### Option A—Default Self-Signed Certificate ### Option A—Default Self-Signed Certificate
@@ -105,7 +112,7 @@ Your Rancher install can use a self-signed certificate that you provide to encry
### Option C—Bring Your Own Certificate: Signed by Recognized CA ### Option C—Bring Your Own Certificate: Signed by Recognized CA
If you're publishing your app publically, you should ideally be using a certificate signed by a recognized CA. If you're publishing your app publicly, you should ideally be using a certificate signed by a recognized CA.
>**Prerequisites:** >**Prerequisites:**
> >
@@ -166,7 +173,7 @@ Run the following commands from your Linux host.
You have a couple of options: You have a couple of options:
- Create a backup of your Rancher Server in case of a disaster scenario: [Single Node Backup and Restoration]({{< baseurl >}}/rancher/v2.x/en/installation/backups-and-restoration/single-node-backup-and-restoration/). - Create a backup of your Rancher Server in case of a disaster scenario: [Single Node Backup and Restoration]({{< baseurl >}}/rancher/v2.x/en/installation/backups-and-restoration/single-node-backup-and-restoration/).
- Create a Kubernettes cluster: [Creating a Cluster]({{ <baseurl> }}/rancher/v2.x/en/tasks/clusters/creating-a-cluster/). - Create a Kubernetes cluster: [Creating a Cluster]({{ <baseurl> }}/rancher/v2.x/en/tasks/clusters/creating-a-cluster/).
<br/> <br/>