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添加 '存储/ceph/p版本安装/8-为节点添加标签并调整mon个数.md'

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iProbe 2023-06-25 21:58:57 +08:00
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> 给节点打上指标标签后，后续可以按标签进行编排。
>
> 给节点打_admin标签，默认情况下，_admin标签应用于存储集群中的 bootstrapped 主机， client.admin密钥被分发到该主机(ceph orch client-keyring {ls|set|rm})。
> 将这个标签添加到其他主机后，其他主机的/etc/ceph下也将有client.admin密钥。
```shell
## 给 ceph02、ceph03加上 _admin 标签  
# ceph orch host label add ceph02 _admin
# ceph orch host label add ceph03 _admin
## 给 ceph01-ceph04加上 mon 标签
# ceph orch host label add ceph01 mon
# ceph orch host label add ceph02 mon
# ceph orch host label add ceph03 mon
# ceph orch host label add ceph04 mon
## 给 ceph01、ceph02加上 mgr 标签
# ceph orch host label add ceph01 mgr
# ceph orch host label add ceph02 mgr
## 列出节点，查看节点上标签
# ceph orch host ls
HOST    ADDR            LABELS          STATUS  
ceph01  192.168.59.241  _admin mon mgr          
ceph02  192.168.59.242  mon mgr _admin          
ceph03  192.168.59.243  mon _admin              
ceph04  192.168.59.244  mon                    
ceph05  192.168.59.245                          
5 hosts in cluster
```
> 删除标签
> 注意：删除节点上的_admin标签，并不会删除该节点上已有的`ceph.client.admin.keyring`密钥文件
```shell
ceph orch host label rm ceph03 label=_admin
```