deploy ceph mds node
[root@ceph-node1 ceph]# ceph-deploy mds create ceph-node2 ceph-node2
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO ] Invoked (1.5.31): /usr/bin/ceph-deploy mds create ceph-node2 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 0x17a4320>
[ceph_deploy.cli][INFO ] cluster : ceph
[ceph_deploy.cli][INFO ] func : <function mds at 0x197a2a8>
[ceph_deploy.cli][INFO ] ceph_conf : None
[ceph_deploy.cli][INFO ] mds : [('ceph-node2', 'ceph-node2'), ('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: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 Linux 7.3.1611 Core
[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_deploy.mds][ERROR ] RuntimeError: config file /etc/ceph/ceph.conf exists with different content; use --overwrite-conf to overwrite
[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 Linux 7.3.1611 Core
[ceph_deploy.mds][DEBUG ] remote host will use sysvinit
[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...
[ceph-node2][WARNIN] Running as unit ceph-mds.ceph-node2.1496648453.865988091.service.
[ceph-node2][INFO ] Running command: systemctl enable ceph
[ceph-node2][WARNIN] ceph.service is not a native service, redirecting to /sbin/chkconfig.
[ceph-node2][WARNIN] Executing /sbin/chkconfig ceph on
[ceph_deploy][ERROR ] GenericError: Failed to create 1 MDSs
ceph mds status
[root@ceph-node1 ceph]# ceph mds stat
e5: 1/1/1 up {0=ceph-node2=up:active}
