ceph 10.3版的安装

yum install ceph ceph-deploy
ssh-copy-id  root@c2{5,6,7}
ceph-deploy  new c25 c26 c27
ceph-deploy --ceph-conf ceph.conf --overwrite-conf  mon create c25
ceph-deploy gatherkeys  c25
ceph-deploy --ceph-conf=/etc/ceph/ceph.conf  --overwrite-conf mds create c25:c25
ceph-deploy --ceph-conf=/etc/ceph/ceph.conf disk zap c27:/dev/vdb
ceph-deploy --ceph-conf=/etc/ceph/ceph.conf  --overwrite-conf  osd  prepare  c27:/dev/vdb
ceph-deploy --ceph-conf=/etc/ceph/ceph.conf  --overwrite-conf  osd activate  c27:/dev/vdb1:/dev/vdb2
ceph osd pool create cephfs_data  64
ceph osd pool create cephfs_metadata  64
ceph fs new cephfs  cephfs_metadata   cephfs_data