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ceph文件系统的名称是cephFS,它是一个POSIX兼容的分布式文件系统,并使用ceph RADOS存储数据。要实现ceph文件系统,需要一个正常运行的ceph存储集群,并且至少包含一个ceph元数据服务器(Ceph Metadata Server,MDS)。
[root@ceph01 ceph-cluster]# ceph -s
cluster 41732856-b7e0-4d00-969d-bbbaf9f2b187
health HEALTH_OK
monmap e1: 3 mons at {ceph01=192.168.229.114:6789/0,ceph02=192.168.229.121:6789/0,ceph03=192.168.229.115:6789/0}
election epoch 1314, quorum 0,1,2 ceph01,ceph03,ceph02
fsmap e10: 1/1/1 up {0=ceph01=up:active}, 2 up:standby
osdmap e391: 3 osds: 3 up, 3 in
flags sortbitwise,require_jewel_osds
pgmap v1423352: 1024 pgs, 9 pools, 32553 MB data, 8369 objects
96715 MB used, 180 GB / 275 GB avail
1024 active+clean
ceph-deploy mds ceph01 ceph02 ceph03
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