Is there any better solution?
Yes, add more nodes. ;-)
Having only two OSD nodes is not the best idea, it's kind of a corner
case and I've observed some weird behaviour with corner cases in the
past, not even mentioning the 2 replicas. Is this a test environment?
Zitat von by morphin <morphinwithyou@xxxxxxxxx>:
I've figured out but I'm scared from the result.
The solution is "mon_osd_min_down_reporters = 1"
Due to "two node" cluster and "replicated 2" with "chooseleaf host"
the reporter count should be set to 1 but on a malfunction this could
be a serious problem.
Is there any better solution?
by morphin <morphinwithyou@xxxxxxxxx>, 20 May 2021 Per, 22:04
tarihinde şunu yazdı:
Hello
I have a weird problem on 3 node cluster. "Nautilus 14.2.9"
When I try power failure OSD's are not marking as DOWN and MDS do not
respond anymore.
If I manually set osd down then MDS becomes active again.
BTW: Only 2 node has OSD's. Third node is only for MON.
I've set mon_osd_down_out_interval = 0.3 in ceph.conf at global
section and restart all MON's but when I check it with "ceph daemon
mon.ID config show" I see mon_osd_down_out_interval: "600". I didn't
get it why its still "600" and honestly I don't know even it has any
effect on my problem.
Where should I check?
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