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add doc for wiping etcd state (#5939)

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Jamie Hannaford 2017-10-30 18:46:41 +01:00 committed by Steve Perry
parent a7acfa8270
commit 4c4d56bfc0
1 changed files with 13 additions and 0 deletions
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13
docs/setup/independent/create-cluster-kubeadm.md
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@ -471,6 +471,19 @@ kubeadm reset
If you wish to start over simply run `kubeadm init` or `kubeadm join` with the If you wish to start over simply run `kubeadm init` or `kubeadm join` with the
appropriate arguments. appropriate arguments.
**Note**: `kubeadm reset` will not delete any etcd data if external etcd is used.
This means that if you run `kubeadm init` again using the same etcd endpoints, you
will see state from previous clusters. To wipe etcd data after reset, it is
recommended you use a client like `etcdctl`, such as:
```
etcdctl del "" --prefix
```
See
[their documentation](https://github.com/coreos/etcd/tree/master/etcdctl) for more
information.
## Upgrading ## Upgrading
Instructions for upgrading kubeadm clusters are available for: Instructions for upgrading kubeadm clusters are available for: