查看mon的状态信息
ceph mon stat
[root@ecos75r018-meijia-31-161 ~]# ceph mon state1: 1 mons at {ecos75r018-meijia-31-161=[v2:10.0.31.161:3300/0,v1:10.0.31.161:6789/0]}, election epoch 17, leader 0 ecos75r018-meijia-31-161, quorum 0 ecos75r018-meijia-31-161
这边只配了一台mon节点
查看mon的选举状态
ceph quorum_status -f json-pretty
[root@ecos75r018-meijia-31-161 ~]# ceph quorum_status -f json-pretty{"election_epoch": 17,"quorum": [0],"quorum_names": ["ecos75r018-meijia-31-161"],"quorum_leader_name": "ecos75r018-meijia-31-161","quorum_age": 172039,"monmap": {"epoch": 1,"fsid": "f60e6370-14ff-44cc-b99c-70b17df8549c","modified": "2020-08-12 17:01:25.609741","created": "2020-08-12 17:01:25.609741","min_mon_release": 14,"min_mon_release_name": "nautilus","features": {"persistent": ["kraken","luminous","mimic","osdmap-prune","nautilus"],"optional": []},"mons": [{"rank": 0,"name": "ecos75r018-meijia-31-161","public_addrs": {"addrvec": [{"type": "v2","addr": "10.0.31.161:3300","nonce": 0},{"type": "v1","addr": "10.0.31.161:6789","nonce": 0}]},"addr": "10.0.31.161:6789/0","public_addr": "10.0.31.161:6789/0"}]}}
查看mon的映射信息
ceph mon dump
[root@ecos75r018-meijia-31-161 ~]# ceph mon dumpdumped monmap epoch 1epoch 1fsid f60e6370-14ff-44cc-b99c-70b17df8549clast_changed 2020-08-12 17:01:25.609741created 2020-08-12 17:01:25.609741min_mon_release 14 (nautilus)0: [v2:10.0.31.161:3300/0,v1:10.0.31.161:6789/0] mon.ecos75r018-meijia-31-161
获得一个正在运行的 mon map，并保存到文件中
ceph mon getmap -o {filename}
[root@ecos75r018-meijia-31-161 ~]# ceph mon getmap -o mon_mapgot monmap epoch 1
查看上面获得的 map
monmaptool --print {filename}
[root@ecos75r018-meijia-31-161 ~]# monmaptool --print mon_mapmonmaptool: monmap file mon_mapepoch 1fsid f60e6370-14ff-44cc-b99c-70b17df8549clast_changed 2020-08-12 17:01:25.609741created 2020-08-12 17:01:25.609741min_mon_release 14 (nautilus)0: [v2:10.0.31.161:3300/0,v1:10.0.31.161:6789/0] mon.ecos75r018-meijia-31-161
把上面的 mon map 注入新加入的节点
ceph-mon -i {node} --inject-monmap {filename}
查看 mon 的 amin socket
ceph-conf --name mon.ecos75r018-meijia-31-161 --show-config-value admin_socket
[root@ecos75r018-meijia-31-161 ~]# ceph-conf --name mon.ecos75r018-meijia-31-161 --show-config-value admin_socket/var/run/ceph/ceph-mon.ecos75r018-meijia-31-161.asok
查看 mon 的详细状态
ceph daemon mon.ecos75r018-meijia-31-161 mon_status
[root@ecos75r018-meijia-31-161 ~]# ceph daemon mon.ecos75r018-meijia-31-161 mon_status{ "name": "ecos75r018-meijia-31-161", "rank": 0, "state": "leader", "election_epoch": 17, "quorum": [ 0 ], "quorum_age": 172466, "features": { "required_con": "2449958747315912708", "required_mon": [ "kraken", "luminous", "mimic", "osdmap-prune", "nautilus" ], "quorum_con": "4611087854031667199", "quorum_mon": [ "kraken", "luminous", "mimic", "osdmap-prune", "nautilus" ] }, "outside_quorum": [], "extra_probe_peers": [], "sync_provider": [], "monmap": { "epoch": 1, "fsid": "f60e6370-14ff-44cc-b99c-70b17df8549c", "modified": "2020-08-12 17:01:25.609741", "created": "2020-08-12 17:01:25.609741", "min_mon_release": 14, "min_mon_release_name": "nautilus", "features": { "persistent": [ "kraken", "luminous", "mimic", "osdmap-prune", "nautilus" ], "optional": [] }, "mons": [ { "rank": 0, "name": "ecos75r018-meijia-31-161", "public_addrs": { "addrvec": [ { "type": "v2", "addr": "10.0.31.161:3300", "nonce": 0 }, { "type": "v1", "addr": "10.0.31.161:6789", "nonce": 0 } ] }, "addr": "10.0.31.161:6789/0", "public_addr": "10.0.31.161:6789/0" } ] }, "feature_map": { "mon": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 1 } ], "mds": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 1 } ], "osd": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 3 } ], "client": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 2 } ], "mgr": [ { "features": "0x3ffddff8ffacffff", "release": "luminous", "num": 1 } ] }}
删除一个mon节点