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.
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.