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Automated cherry pick of #315: Update ceph.md #317

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5 changes: 4 additions & 1 deletion docs/guides/onpremise/storage/blockstorage/ceph.md
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,10 @@ Ceph是著名的开源分布式存储,一个存储集群可以同时提供块

如果用户需要其他版本的 ceph-common,或者用户希望使用商用的ceph,则需要自行手动在宿主机安装对应版本的 ceph-common。

由于这个机制,导致如下的限制:同一台宿主机只能对接一个版本的Ceph存储。
由于这个机制,导致如下的限制:

* 同一台宿主机只能对接特定版本范围或特定厂商的Ceph存储。
* 对于开源版ceph,存在版本兼容性问题:较低版本的ceph-common可能无法访问较高版本的ceph服务集群。例如CentOS 7自带的10.2.5的ceph-common就无法访问>=16.x版本的ceph服务集群。

## Ceph的对接配置

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