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op-guide: update TiDB download links #640

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Sep 30, 2018
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op-guide: update TiDB download links #640

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op-guide: update TiDB download links
lilin90 Sep 29, 2018
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16 changes: 12 additions & 4 deletions op-guide/ansible-deployment-rolling-update.md
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Expand Up @@ -20,20 +20,22 @@ When you perform a rolling update for a TiDB cluster, the service is shut down s

1. Edit the value of the `tidb_version` parameter in the `/home/tidb/tidb-ansible/inventory.ini` file, and specify the version number you need to upgrade to.

For example, to upgrade from `v2.0.2` to `v2.0.3`:
For example, to upgrade from `v2.0.6` to `v2.0.7`:

```
tidb_version = v2.0.3
tidb_version = v2.0.7
```

> **Note:** If you use `tidb-ansible` of the master branch, you can keep `tidb_version = latest`. The installation package of the latest TiDB version is updated each day.

2. Delete the existing `downloads` directory `/home/tidb/tidb-ansible/downloads/`.

```
$ cd /home/tidb/tidb-ansible
$ rm -rf downloads
```

3. Use `playbook` to download the TiDB `v2.0.3` binary and replace the existing binary in `/home/tidb/tidb-ansible/resource/bin/` with it automatically.
3. Use `playbook` to download the TiDB binary and replace the existing binary in `/home/tidb/tidb-ansible/resource/bin/` with it automatically.

```
$ ansible-playbook local_prepare.yml
Expand All @@ -44,11 +46,17 @@ When you perform a rolling update for a TiDB cluster, the service is shut down s
You can also download the binary manually. Use `wget` to download the binary and replace the existing binary in `/home/tidb/tidb-ansible/resource/bin/` with it manually.

```
wget http://download.pingcap.org/tidb-v2.0.3-linux-amd64-unportable.tar.gz
wget http://download.pingcap.org/tidb-v2.0.7-linux-amd64.tar.gz
```

> **Note:** Remember to replace the version number in the download link with the one you need.

If you use `tidb-ansible` of the master branch, download the binary using the following command:

```
$ wget http://download.pingcap.org/tidb-latest-linux-amd64.tar.gz
```

### Perform a rolling update using Ansible

- Apply a rolling update to the PD node (only upgrade the PD service)
Expand Down