ceph环境：
1个mon节点，3个osd节点（其中一个osd同时是mon节点）
ceph版本：
$ ceph-deploy --version
2.0.1
ceph状态：
$ ceph -s
cluster:
id: 37ac4cbb-a2c6-4f81-af1e-e9e39c010c85
health: HEALTH_WARN
mon is allowing insecure global_id reclaim
services:
mon: 1 daemons, quorum ceph-node-11 (age 64s)
mgr: no daemons active
osd: 0 osds: 0 up, 0 in
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 0 B used, 0 B / 0 B avail
pgs:
解决办法：禁用不安全模式！
$ ceph config set mon auth_allow_insecure_global_id_reclaim false
$ ceph -s
cluster:
id: 37ac4cbb-a2c6-4f81-af1e-e9e39c010c85
health: HEALTH_OK
services:
mon: 1 daemons, quorum ceph-node-11 (age 90s)
mgr: no daemons active
osd: 0 osds: 0 up, 0 in
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 0 B used, 0 B / 0 B avail
pgs: