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etcd instructions: rebuilding a node

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Brian Cunnie
2022-04-27 17:40:52 -07:00
parent 03972dc565
commit 490f0fcd35
1 changed files with 21 additions and 0 deletions
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etcd/README.md
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@@ -120,6 +120,27 @@ sudo rm -rf /var/lib/etcd/default/member
sudo systemctl start etcd
```
### Deleting and Re-adding ns-azure
This needs to be done when, for example, ns-azure is rebuilt from scratch.
```bash
ssh ns-aws
etcdctl member list
# 6e7e4616e1032417: name=ns-azure peerURLs=https://ns-azure.sslip.io:2380 clientURLs=http://localhost:2379 isLeader=false
etcdctl member remove 6e7e4616e1032417
etcdctl member add ns-azure https://ns-azure.sslip.io:2380
exit
ssh ns-azure
sudo systemctl stop etcd
sudo rm -rf /var/lib/etcd/default/member
sudo -E nvim /etc/default/etcd
# ETCD_INITIAL_CLUSTER_STATE="existing"
sudo systemctl start etcd
etcdctl member list
sudo du -sH /var/lib/etcd/default/member
```
### Troubleshooting
If `sudo journalctl -xefu etcd` errors with `member xxx has already been