Hi
Why is "ceph -s" showing only two monitors while three monitor services are
running ?
# ceph versions
{ "mon": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 2 },
"mgr": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 2 },
"osd": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 36 },
"mds": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 1 },
"rgw": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 3 },
"overall": { "ceph version 16.2.5
(0883bdea7337b95e4b611c768c0279868462204a) pacific (stable)": 44 } }
# ceph orch ls
NAME PORTS RUNNING REFRESHED AGE PLACEMENT
crash 3/3 8m ago 2y label:ceph
ingress.nfs.nfs 10.45.128.8:2049,9049 4/4 8m ago 2y count:2
mds.cephfs 3/3 8m ago 2y
count:3;label:mdss
mgr 3/3 8m ago 23M
a001s016;a001s017;a001s018;count:3
mon 3/3 8m ago 16h
a001s016;a001s017;a001s018;count:3 <== [ 3 monitor services running]
nfs.nfs ?:12049 3/3 8m ago 2y
a001s016;a001s017;a001s018;count:3
node-exporter ?:9100 3/3 8m ago 2y *
osd.unmanaged 36/36 8m ago - <unmanaged>
prometheus ?:9095 1/1 10s ago 23M count:1
rgw.ceph ?:8080 3/3 8m ago 19h
count-per-host:1;label:rgws
root@a001s017:~# ceph -s
cluster:
id: 604d56db-2fab-45db-a9ea-c418f9a8cca8
health: HEALTH_OK
services:
mon: 2 daemons, quorum a001s018,a001s017 (age 16h) <== [ shows ONLY 2
monitors running]
mgr: a001s017.bpygfm(active, since 13M), standbys: a001s016.ctmoay
mds: 1/1 daemons up, 2 standby
osd: 36 osds: 36 up (since 54s), 36 in (since 2y)
rgw: 3 daemons active (3 hosts, 1 zones)
data:
volumes: 1/1 healthy
pools: 43 pools, 1633 pgs
objects: 51.81M objects, 77 TiB
usage: 120 TiB used, 131 TiB / 252 TiB avail
pgs: 1631 active+clean
2 active+clean+scrubbing+deep
io:
client: 220 MiB/s rd, 448 MiB/s wr, 251 op/s rd, 497 op/s wr
# ceph orch ls --service_name=mon
NAME PORTS RUNNING REFRESHED AGE PLACEMENT
mon 3/3 8m ago 16h a001s016;a001s017;a001s018;count:3 <== [
3 monitors running ]
# ceph orch ps --daemon_type=mon
NAME HOST PORTS STATUS REFRESHED AGE MEM USE MEM LIM
VERSION IMAGE ID CONTAINER ID
mon.a001s016 a001s016 running (19h) 9m ago 19h 706M 2048M
16.2.5 6e73176320aa 8484a912f96a
mon.a001s017 a001s017 running (16h) 66s ago 19h 949M 2048M
16.2.5 6e73176320aa e5e5cb6c256c <== [ 3 mon daemons running ]
mon.a001s018 a001s018 running (5w) 2m ago 2y 1155M 2048M
16.2.5 6e73176320aa 7d2bb6d41f54
a001s016# systemctl --type=service | grep @mon
ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s016.service<mailto:ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s016.service>
loaded active running Ceph mon.a001s016 for
604d56db-2fab-45db-a9ea-c418f9a8cca8
a001s017# systemctl --type=service | grep @mon
ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s017.service<mailto:ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s017.service>
loaded active running Ceph mon.a001s017 for
604d56db-2fab-45db-a9ea-c418f9a8cca8
a001s018# systemctl --type=service | grep @mon
ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s018.service<mailto:ceph-604d56db-2fab-45db-a9ea-c418f9a8cca8@mon.a001s018.service>
loaded active running Ceph mon.a001s018 for
604d56db-2fab-45db-a9ea-c418f9a8cca8
Thank you,
Anantha
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