How to calculate and set the maximum space used by ceph?

[akong]

Hello,
I has installed four node and every node is 500GB space.I setup cluster and ceph every node done.But it's show max size is 600G.
I don't know how to calculate total node max size and how to setup.Could any friend can tell me?

 

[cool]

你好，
我已经安装了四个节点，每个节点都是 500GB 空间。我设置了集群并完成了每个节点的 ceph。但是它显示的最大大小是 600G。
我不知道如何计算总节点最大大小以及如何设置。有朋友可以告诉我吗？

ceph df