Hi all,
found this bug https://tracker.ceph.com/issues/51629 (Octopus 15.2.13), reproduced it in Pacific and
now again in Quincy:
- new cluster
- 3 mgr nodes
- reboot active mgr node
- (only in Quincy:) standby mgr node takes over, rebooted node becomse standby
- `ceph orch host ls` shows all hosts as `offline`
- add a new host: not offline
In my setup, hostnames and IPs are well known, thus
# ceph orch host ls
HOST ADDR LABELS STATUS
lxbk0374 10.20.2.161 _admin Offline
lxbk0375 10.20.2.162 Offline
lxbk0376 10.20.2.163 Offline
lxbk0377 10.20.2.164 Offline
lxbk0378 10.20.2.165 Offline
lxfs416 10.20.2.178 Offline
lxfs417 10.20.2.179 Offline
lxfs418 10.20.2.222 Offline
lxmds22 10.20.6.67
lxmds23 10.20.6.72 Offline
lxmds24 10.20.6.74 Offline
(All lxbk are mon nodes, the first 3 are mgr, 'lxmds22' was added after the fatal reboot.)
Does this matter at all?
The old bug report is one year old, now with prio 'Low'. And some people must have rebooted the one or
other host in their clusters...
There is a cephfs on our cluster, operations seem to be unaffected.
Cheers
Thomas
--
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Thomas Roth
Department: Informationstechnologie
Location: SB3 2.291
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