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Remove unused version-2.6 files
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Billy Tat
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---
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title: Backing up Rancher Installed with Docker
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shortTitle: Backups
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weight: 3
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---
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After completing your Docker installation of Rancher, we recommend creating backups of it on a regular basis. Having a recent backup will let you recover quickly from an unexpected disaster.
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## Before You Start
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During the creation of your backup, you'll enter a series of commands, replacing placeholders with data from your environment. These placeholders are denoted with angled brackets and all capital letters (`<EXAMPLE>`). Here's an example of a command with a placeholder:
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```
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docker run --volumes-from rancher-data-<DATE> -v $PWD:/backup busybox tar pzcvf /backup/rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz /var/lib/rancher
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```
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In this command, `<DATE>` is a placeholder for the date that the data container and backup were created. `9-27-18` for example.
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Cross reference the image and reference table below to learn how to obtain this placeholder data. Write down or copy this information before starting the [procedure below](#creating-a-backup).
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<sup>Terminal <code>docker ps</code> Command, Displaying Where to Find <code><RANCHER_CONTAINER_TAG></code> and <code><RANCHER_CONTAINER_NAME></code></sup>
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| Placeholder | Example | Description |
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| -------------------------- | -------------------------- | --------------------------------------------------------- |
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| `<RANCHER_CONTAINER_TAG>` | `v2.0.5` | The rancher/rancher image you pulled for initial install. |
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| `<RANCHER_CONTAINER_NAME>` | `festive_mestorf` | The name of your Rancher container. |
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| `<RANCHER_VERSION>` | `v2.0.5` | The version of Rancher that you're creating a backup for. |
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| `<DATE>` | `9-27-18` | The date that the data container or backup was created. |
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<br/>
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You can obtain `<RANCHER_CONTAINER_TAG>` and `<RANCHER_CONTAINER_NAME>` by logging into your Rancher Server by remote connection and entering the command to view the containers that are running: `docker ps`. You can also view containers that are stopped with `docker ps -a`. Use these commands for help anytime while creating backups.
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## Creating a Backup
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This procedure creates a backup that you can restore if Rancher encounters a disaster scenario.
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1. Using a remote Terminal connection, log into the node running your Rancher Server.
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1. Stop the container currently running Rancher Server. Replace `<RANCHER_CONTAINER_NAME>` with the name of your Rancher container.
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```
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docker stop <RANCHER_CONTAINER_NAME>
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```
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1. <a id="backup"></a>Use the command below, replacing each placeholder, to create a data container from the Rancher container that you just stopped.
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```
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docker create --volumes-from <RANCHER_CONTAINER_NAME> --name rancher-data-<DATE> rancher/rancher:<RANCHER_CONTAINER_TAG>
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```
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1. <a id="tarball"></a>From the data container that you just created (<code>rancher-data-<DATE></code>), create a backup tarball (<code>rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz</code>). Use the following command, replacing each placeholder:
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```
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docker run --volumes-from rancher-data-<DATE> -v $PWD:/backup:z busybox tar pzcvf /backup/rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz /var/lib/rancher
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```
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**Step Result:** A stream of commands runs on the screen.
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1. Enter the `ls` command to confirm that the backup tarball was created. It will have a name similar to `rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz`.
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1. Move your backup tarball to a safe location external to your Rancher Server. Then delete the `rancher-data-<DATE>` container from your Rancher Server.
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1. Restart Rancher Server. Replace `<RANCHER_CONTAINER_NAME>` with the name of your Rancher container:
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```
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docker start <RANCHER_CONTAINER_NAME>
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```
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**Result:** A backup tarball of your Rancher Server data is created. See [Restoring Backups: Docker Installs]({{<baseurl>}}/rancher/v2.6/en/backups/docker-installs/docker-restores) if you need to restore backup data.
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---
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title: Backup and Restore for Rancher Installed with Docker
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shortTitle: Docker Installs
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weight: 10
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---
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- [Backups](./docker-backups)
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- [Restores](./docker-restores)
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---
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title: Restoring Backups—Docker Installs
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shortTitle: Restores
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weight: 3
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---
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If you encounter a disaster scenario, you can restore your Rancher Server to your most recent backup.
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## Before You Start
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During restore of your backup, you'll enter a series of commands, filling placeholders with data from your environment. These placeholders are denoted with angled brackets and all capital letters (`<EXAMPLE>`). Here's an example of a command with a placeholder:
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```
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docker run --volumes-from <RANCHER_CONTAINER_NAME> -v $PWD:/backup \
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busybox sh -c "rm /var/lib/rancher/* -rf && \
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tar pzxvf /backup/rancher-data-backup-<RANCHER_VERSION>-<DATE>"
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```
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In this command, `<RANCHER_CONTAINER_NAME>` and `<RANCHER_VERSION>-<DATE>` are environment variables for your Rancher deployment.
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Cross reference the image and reference table below to learn how to obtain this placeholder data. Write down or copy this information before starting the procedure below.
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<sup>Terminal <code>docker ps</code> Command, Displaying Where to Find <code><RANCHER_CONTAINER_TAG></code> and <code><RANCHER_CONTAINER_NAME></code></sup>
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| Placeholder | Example | Description |
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| -------------------------- | -------------------------- | --------------------------------------------------------- |
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| `<RANCHER_CONTAINER_TAG>` | `v2.0.5` | The rancher/rancher image you pulled for initial install. |
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| `<RANCHER_CONTAINER_NAME>` | `festive_mestorf` | The name of your Rancher container. |
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| `<RANCHER_VERSION>` | `v2.0.5` | The version number for your Rancher backup. |
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| `<DATE>` | `9-27-18` | The date that the data container or backup was created. |
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<br/>
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You can obtain `<RANCHER_CONTAINER_TAG>` and `<RANCHER_CONTAINER_NAME>` by logging into your Rancher Server by remote connection and entering the command to view the containers that are running: `docker ps`. You can also view containers that are stopped using a different command: `docker ps -a`. Use these commands for help anytime during while creating backups.
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## Restoring Backups
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Using a [backup]({{<baseurl>}}/rancher/v2.6/en/backups/docker-installs/docker-backups) that you created earlier, restore Rancher to its last known healthy state.
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1. Using a remote Terminal connection, log into the node running your Rancher Server.
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1. Stop the container currently running Rancher Server. Replace `<RANCHER_CONTAINER_NAME>` with the name of your Rancher container:
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```
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docker stop <RANCHER_CONTAINER_NAME>
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```
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1. Move the backup tarball that you created during completion of [Creating Backups—Docker Installs]({{<baseurl>}}/rancher/v2.6/en/backups/docker-installs/docker-backups) onto your Rancher Server. Change to the directory that you moved it to. Enter `dir` to confirm that it's there.
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If you followed the naming convention we suggested in [Creating Backups—Docker Installs]({{<baseurl>}}/rancher/v2.6/en/backups/docker-installs/docker-backups/), it will have a name similar to `rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz`.
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1. Enter the following command to delete your current state data and replace it with your backup data, replacing the placeholders. Don't forget to close the quotes.
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>**Warning!** This command deletes all current state data from your Rancher Server container. Any changes saved after your backup tarball was created will be lost.
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```
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docker run --volumes-from <RANCHER_CONTAINER_NAME> -v $PWD:/backup \
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busybox sh -c "rm /var/lib/rancher/* -rf && \
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tar pzxvf /backup/rancher-data-backup-<RANCHER_VERSION>-<DATE>.tar.gz"
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```
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**Step Result:** A series of commands should run.
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1. Restart your Rancher Server container, replacing the placeholder. It will restart using your backup data.
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```
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docker start <RANCHER_CONTAINER_NAME>
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```
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1. Wait a few moments and then open Rancher in a web browser. Confirm that the restore succeeded and that your data is restored.
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