can you set debug_mon=20 and debug_paxos=20 and debug_ms=1 on all mon
and get log?
Ashley Merrick <singap...@amerrick.co.uk> 于2019年9月3日周二 下午9:35写道：
>
> What change did you make in ceph.conf
>
> Id check that hasn't caused an issue first.
>
>
> ---- On Tue, 27 Aug 2019 04:37:15 +0800 nkern...@gmail.com wrote ----
>
> Hello,
>
> I have an old ceph 0.94.10 cluster that had 10 storage nodes with one extra
> management node used for running commands on the cluster. Over time we'd had
> some hardware failures on some of the storage nodes, so we're down to 6, with
> ceph-mon running on the management server and 4 of the storage nodes. We
> attempted deploying a ceph.conf change and restarted ceph-mon and ceph-osd
> services, but the cluster went down on us. We found all the ceph-mons are
> stuck in the electing state, I can't get any response from any ceph commands
> but I found I can contact the daemon directly and get this information
> (hostnames removed for privacy reasons):
>
> root@<mgmt1>:~# ceph daemon mon.<mgmt1> mon_status
> {
> "name": "<mgmt1>",
> "rank": 0,
> "state": "electing",
> "election_epoch": 4327,
> "quorum": [],
> "outside_quorum": [],
> "extra_probe_peers": [],
> "sync_provider": [],
> "monmap": {
> "epoch": 10,
> "fsid": "69611c75-200f-4861-8709-8a0adc64a1c9",
> "modified": "2019-08-23 08:20:57.620147",
> "created": "0.000000",
> "mons": [
> {
> "rank": 0,
> "name": "<mgmt1>",
> "addr": "[fdc4:8570:e14c:132d::15]:6789\/0"
> },
> {
> "rank": 1,
> "name": "<mon1>",
> "addr": "[fdc4:8570:e14c:132d::16]:6789\/0"
> },
> {
> "rank": 2,
> "name": "<mon2>",
> "addr": "[fdc4:8570:e14c:132d::28]:6789\/0"
> },
> {
> "rank": 3,
> "name": "<mon3>",
> "addr": "[fdc4:8570:e14c:132d::29]:6789\/0"
> },
> {
> "rank": 4,
> "name": "<mon4>",
> "addr": "[fdc4:8570:e14c:132d::151]:6789\/0"
> }
> ]
> }
> }
>
>
> Is there any way to force the cluster back into a quorum even if it's just
> one mon running to start it up? I've tried exporting the mgmt's monmap and
> injecting it into the other nodes, but it didn't make any difference.
>
> Thanks!
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>
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