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