关于ceph:ceph安装过程遇到的问题

1.执行名称ceph-deploy new node2，报错：

bash: python2: command not found
[ceph_deploy][ERROR ] RuntimeError: connecting to host: node2 resulted in errors: IOError cannot send (already closed?)

起因是node2上没有装置python2，通过命令apt install python-minimal装置即可。

2.