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made changes requested by Will and removed draft flags
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@@ -1,6 +1,5 @@
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---
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title: After Installation
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weight: 360
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draft: true
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---
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This section contains information about how to perform system maintenance on your Rancher install.
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---
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title: Etcd Snapshots
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weight: 370
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draft: true
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---
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You can configure a Rancher Kubernetes Engine (RKE) cluster to automatically take snapshots of etcd. In a disaster scenario, you can restore these snapshots, which are stored on other cluster nodes.
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RKE introduce a new command that can take a snapshot of a running etcd node in rke cluster, the snapshot will be automatically saved in `/opt/rke/etcd-snapshots`, the commands works as following:
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```
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./rke etcd snapshot-save --config cluster.yml
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./rke etcd snapshot-save --config cluster.yml
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WARN[0000] Name of the snapshot is not specified using [rke_etcd_snapshot_2018-05-17T23:32:08+02:00]
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INFO[0000] Starting saving snapshot on etcd hosts
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INFO[0000] Starting saving snapshot on etcd hosts
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INFO[0000] [dialer] Setup tunnel for host [x.x.x.x]
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INFO[0001] [dialer] Setup tunnel for host [y.y.y.y]
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INFO[0002] [dialer] Setup tunnel for host [z.z.z.z]
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@@ -203,7 +202,7 @@ rke up --config cluster.yml
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```
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You can make sure that operations have been restored by checking the nginx deployment we created earlier:
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```
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> kubectl get pods
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> kubectl get pods
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NAME READY STATUS RESTARTS AGE
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nginx-65899c769f-kcdpr 1/1 Running 0 17s
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nginx-65899c769f-pc45c 1/1 Running 0 17s
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---
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title: Upgrades
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weight: 1000
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draft: true
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---
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This section includes instructions for upgrading Rancher from previous versions.
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---
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title: High Availability Upgrade
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weight: 1020
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draft: true
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---
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To upgrade Rancher 2.x running in a high availablity configuration, run an upgrade command that points to your upgrade config file.
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@@ -13,12 +12,12 @@ To upgrade Rancher 2.x running in a high availablity configuration, run an upgra
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1. From your workstation, open **Terminal**.
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2. Enter the following command:
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2. Enter the ng command:
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```
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kubectl --kubeconfig=kube_config-rancher-cluster.yml set image deployment/cattle cattle-server=rancher/rancher:<VERSION_TAG> -n cattle-system
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```
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Replace `<VERSION_TAG>` with the version that you want to upgrade to. For a list of tags available, see [DockerHub](https://hub.docker.com/r/rancher/rancher/tags/).
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Replace `<VERSION_TAG>` with the version that you want to upgrade to. For a list of tags available, see [DockerHub](https://hub.docker.com/r/rancher/rancher/tags/). However, don't use any tag suffixed with `-rc`, as they are used for testing and are not officially supported.
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**Step Result:** The upgrade begins. Rancher Server may be unavailable for a few minutes.
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---
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title: Single Node Upgrade
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weight: 1010
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draft: true
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---
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To upgrade Rancher Server 2.x to the latest version, you need to enter only a few commands.
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@@ -18,7 +17,7 @@ docker stop <RANCHER_CONTAINER_ID>
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2. Create a `rancher-data` container. This container backs up the data from your current Rancher Server, which you'll restore in step 4.
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- Replace `<RANCHER_CONTAINER_ID>` with the same ID from the previous step.
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- Replace `<RANCHER_CONTAINER_TAG>` with the version of Rancher that you are currently running, as mentioned in the **Rrerequisite** above.
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- Replace `<RANCHER_CONTAINER_TAG>` with the version of Rancher that you are currently running, as mentioned in the **Prerequisite** above.
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```
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docker create --volumes-from <RANCHER_CONTAINER_ID> \
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3. Pull the most recent image of Rancher.
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```
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docker pull rancher/rancher:<VERSION_TAG>
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docker pull rancher/rancher:latest
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```
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Replace `<VERSION_TAG>` with the version that you want to upgrade to. For a list of tags available, see [DockerHub](https://hub.docker.com/r/rancher/rancher/tags/).
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4. Launch a new Rancher Server container using the `rancher-data` container.
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```
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