Hi,
I have setup a ceph cluster with cephadm with docker backend.
I want to move /var/lib/docker to a separate device to get better
performance and less load on the OS device.
I tried that by stopping docker copy the content of /var/lib/docker to
the new device and mount the new device to /var/lib/docker.
The other containers started as expected and continues to work and run
as expected.
But the ceph containers seems to be broken.
I am not able to get them back in working state.
I have tried to remove the host with `ceph orch host rm itcnchn-bb4067`
and readd it but no effect.
The strange thing is that 2 of 4 containers comes up as expected.
ceph orch ps itcnchn-bb4067
NAME HOST STATUS
REFRESHED AGE VERSION IMAGE NAME IMAGE ID
CONTAINER ID
crash.itcnchn-bb4067 itcnchn-bb4067 running (18h) 10m
ago 4w 15.2.7 docker.io/ceph/ceph:v15 2bc420ddb175
2af28c4571cf
mds.cephfs.itcnchn-bb4067.qzoshl itcnchn-bb4067 error 10m
ago 4w <unknown> docker.io/ceph/ceph:v15 <unknown> <unknown>
mon.itcnchn-bb4067 itcnchn-bb4067 error 10m
ago 18h <unknown> docker.io/ceph/ceph:v15 <unknown> <unknown>
rgw.ikea.dc9-1.itcnchn-bb4067.gtqedc itcnchn-bb4067 running (18h) 10m
ago 4w 15.2.7 docker.io/ceph/ceph:v15 2bc420ddb175
00d000aec32b
Docker logs from the active manager does not say much about what is
wrong
debug 2021-01-05T09:57:52.537+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring mds.cephfs.itcnchn-bb4067.qzoshl (unknown last
config time)...
debug 2021-01-05T09:57:52.541+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring daemon mds.cephfs.itcnchn-bb4067.qzoshl on
itcnchn-bb4067
debug 2021-01-05T09:57:52.973+0000 7fdb64e88700 0 log_channel(cluster)
log [DBG] : pgmap v347: 241 pgs: 241 active+clean; 18 GiB data, 50 GiB
used, 52 TiB / 52 TiB avail; 18 KiB/s rd, 78 KiB/s wr, 24 op/s
debug 2021-01-05T09:57:53.085+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring mon.itcnchn-bb4067 (unknown last config
time)...
debug 2021-01-05T09:57:53.085+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring daemon mon.itcnchn-bb4067 on itcnchn-bb4067
debug 2021-01-05T09:57:53.625+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring rgw.ikea.dc9-1.itcnchn-bb4067.gtqedc (unknown
last config time)...
debug 2021-01-05T09:57:53.629+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring daemon rgw.ikea.dc9-1.itcnchn-bb4067.gtqedc on
itcnchn-bb4067
debug 2021-01-05T09:57:54.141+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring crash.itcnchn-bb4067 (unknown last config
time)...
debug 2021-01-05T09:57:54.141+0000 7fdb69691700 0 log_channel(cephadm)
log [INF] : Reconfiguring daemon crash.itcnchn-bb4067 on itcnchn-bb4067
- Karsten
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