gentooserver ~ # ceph-mon -i mon0 --extract-monmap /tmp/monmap
2018-04-06 15:38:10.863444 7f8aa2b72f80 -1 wrote monmap to /tmp/monmap
gentooserver ~ # monmaptool --print /tmp/monmap
monmaptool: monmap file /tmp/monmap
epoch 3
fsid a736559a-92d1-483e-9289-d2c7feed510f
last_changed 2018-04-06 14:53:12.892574
created 2018-04-06 14:52:18.190509
0: [2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789/0 mon.mon0
This is the monmap I injected into my monitor.
gentooserver ~ # systemctl status ceph-mon@mon0
● ceph-mon@mon0.service - Ceph cluster monitor daemon
Loaded: loaded (/lib/systemd/system/ceph-mon@.service; indirect; vendor preset: disabled)
Active: active (running) since Fri 2018-04-06 15:47:51 CDT; 16s ago
Main PID: 4362 (ceph-mon)
CGroup: /system.slice/system-ceph\x2dmon.slice/ceph-mon@mon0.service
└─4362 /usr/bin/ceph-mon -f --cluster ceph --id mon0 --setuser ceph --setgroup ceph
Apr 06 15:47:51 gentooserver systemd[1]: Started Ceph cluster monitor daemon.
Apr 06 15:47:51 gentooserver ceph-mon[4362]: 2018-04-06 15:47:51.841218 7f5824d44f80 -1 distro_detect - can't detect distro_version
gentooserver ~ # systemctl status ceph-mgr@mgr0
● ceph-mgr@mgr0.service - Ceph cluster manager daemon
Loaded: loaded (/lib/systemd/system/ceph-mgr@.service; indirect; vendor preset: disabled)
Active: active (running) since Fri 2018-04-06 15:10:01 CDT; 38min ago
Main PID: 3807 (ceph-mgr)
CGroup: /system.slice/system-ceph\x2dmgr.slice/ceph-mgr@mgr0.service
└─3807 /usr/bin/ceph-mgr -f --cluster ceph --id mgr0 --setuser ceph --setgroup ceph
Apr 06 15:10:01 gentooserver systemd[1]: Started Ceph cluster manager daemon.
gentooserver ~ # systemctl status ceph-mds@mds0
● ceph-mds@mds0.service - Ceph metadata server daemon
Loaded: loaded (/lib/systemd/system/ceph-mds@.service; disabled; vendor preset: disabled)
Drop-In: /etc/systemd/system/ceph-mds@.service.d
└─00gentoo.conf
Active: active (running) since Fri 2018-04-06 15:10:25 CDT; 38min ago
Main PID: 3827 (ceph-mds)
CGroup: /system.slice/system-ceph\x2dmds.slice/ceph-mds@mds0.service
└─3827 /usr/bin/ceph-mds -f --cluster ceph --id mds0 --setuser ceph --setgroup ceph
Apr 06 15:10:25 gentooserver systemd[1]: Started Ceph metadata server daemon.
Apr 06 15:10:25 gentooserver ceph-mds[3827]: starting mds.mds0 at -
All the daemons report they are running.
gentooserver ~ # ceph daemon mon.mon0 mon_status
{
"name": "mon0",
"rank": 0,
"state": "leader",
"election_epoch": 39,
"quorum": [
0
],
"features": {
"required_con": "153140804152475648",
"required_mon": [
"kraken",
"luminous"
],
"quorum_con": "2305244844532236283",
"quorum_mon": [
"kraken",
"luminous"
]
},
"outside_quorum": [],
"extra_probe_peers": [],
"sync_provider": [],
"monmap": {
"epoch": 3,
"fsid": "a736559a-92d1-483e-9289-d2c7feed510f",
"modified": "2018-04-06 14:53:12.892574",
"created": "2018-04-06 14:52:18.190509",
"features": {
"persistent": [
"kraken",
"luminous"
],
"optional": []
},
"mons": [
{
"rank": 0,
"name": "mon0",
"addr": "[2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789/0",
"public_addr": "[2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789/0"
}
]
},
"feature_map": {
"mon": {
"group": {
"features": "0x1ffddff8eea4fffb",
"release": "luminous",
"num": 1
}
}
}
}
gentooserver ~ # cat /etc/ceph/ceph.conf
[global]
cluster = ceph
fsid = a736559a-92d1-483e-9289-d2c7feed510f
ms bind ipv6 = true
auth cluster required = none
auth service required = none
auth client required = none
mon host = gentooserver
mon addr = [2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789
mon pg warn max per osd = 300
[mon]
mon initial members = mon0
mon host = gentooserver
mon addr = [2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789
mon pg warn max per osd = 300
mon allow pool delete = true
[mon.mon0]
host = gentooserver
mon addr = [2605:6000:1020:2056:7d79:3f08:ee64:2aa3]:6789
[osd]
osd journal size = 10000
osd crush chooseleaf type = 0
host = gentooserver
osd pool default size = 3
osd pool default min size = 2
[mds.mds0]
host = gentooserver
ceph -s times out:
gentooserver ~ # ceph -s
2018-04-06 15:58:29.861647 7f5e7f891700 0 monclient(hunting): authenticate timed out after 300
2018-04-06 15:58:29.861672 7f5e7f891700 0 librados: client.admin authentication error (110) Connection timed out
[errno 110] error connecting to the cluster
The cluster was working before the IP address changed. HELP
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