[root@ceph-node1 ceph]# ceph-deploy mds create ceph-node2
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (1.5.28): /usr/bin/ceph-deploy mds create ceph-node2
[ceph_deploy.cli][INFO  ] ceph-deploy options:
[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  verbose                       : False
[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
[ceph_deploy.cli][INFO  ]  subcommand                    : create
[ceph_deploy.cli][INFO  ]  quiet                         : False
[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7fcc7b593ea8>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
[ceph_deploy.cli][INFO  ]  func                          : <function mds at 0x7fcc7b574230>
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
[ceph_deploy.cli][INFO  ]  mds                           : [('ceph-node2', 'ceph-node2')]
[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.mds][DEBUG ] Deploying mds, cluster ceph hosts ceph-node2:ceph-node2
[ceph-node2][DEBUG ] connected to host: ceph-node2
[ceph-node2][DEBUG ] detect platform information from remote host
[ceph-node2][DEBUG ] detect machine type
[ceph_deploy.mds][INFO  ] Distro info: CentOS 6.7 Final
[ceph_deploy.mds][DEBUG ] remote host will use sysvinit
[ceph_deploy.mds][DEBUG ] deploying mds bootstrap to ceph-node2
[ceph-node2][DEBUG ] write cluster configuration to /etc/ceph/{cluster}.conf
[ceph-node2][DEBUG ] create path if it doesn't exist
[ceph-node2][INFO  ] Running command: ceph --cluster ceph --name client.bootstrap-mds --keyring /var/lib/ceph/bootstrap-mds/ceph.keyring auth get-or-create mds.ceph-node2 osd allow rwx mds allow mon allow profile mds -o /var/lib/ceph/mds/ceph-ceph-node2/keyring
[ceph-node2][INFO  ] Running command: service ceph start mds.ceph-node2
[ceph-node2][DEBUG ] === mds.ceph-node2 ===
[ceph-node2][DEBUG ] Starting Ceph mds.ceph-node2 on ceph-node2...already running
[ceph-node2][INFO  ] Running command: chkconfig ceph on
Error in sys.exitfunc:
Unhandled exception in thread started by
[root@ceph-node1 ceph]# ceph -s
    cluster 7ad4ada7-94f6-42bf-b39b-ade615f0a8a0
     health HEALTH_OK
     monmap e7: 3 mons at {ceph-node1=10.0.2.5:6789/0,ceph-node2=10.0.2.6:6789/0,ceph-node3=10.0.2.7:6789/0}
            election epoch 40, quorum 0,1,2 ceph-node1,ceph-node2,ceph-node3
     osdmap e154: 9 osds: 9 up, 9 in
      pgmap v1518: 768 pgs, 3 pools, 512 bytes data, 2569 objects
            378 MB used, 45602 MB / 45980 MB avail
                 768 active+clean