Why do you have 4 MONs in the first place? That way a quorum is
difficult to achieve, could it be related to that?
Zitat von Andrei Mikhailovsky <andrei@xxxxxxxxxx>:
Yes, I have, Eugen, I see no obvious reason / error / etc. I see a
lot of entries relating to Compressing as well as monitor going down.
Andrei
----- Original Message -----
From: "Eugen Block" <eblock@xxxxxx>
To: "ceph-users" <ceph-users@xxxxxxx>
Sent: Wednesday, 28 October, 2020 11:51:20
Subject: Re: frequent Monitor down
Have you looked into syslog and mon logs?
Zitat von Andrei Mikhailovsky <andrei@xxxxxxxxxx>:
Hello everyone,
I am having regular messages that the Monitors are going down and up:
2020-10-27T09:50:49.032431+0000 mon .arh-ibstorage2-ib ( mon .1)
2248 : cluster [WRN] Health check failed: 1/4 mons down, quorum
arh-ibstorage2-ib,arh-ibstorage3-ib,arh-ibstorage4-ib (MON_DOWN)
2020-10-27T09:50:49.123511+0000 mon .arh-ibstorage2-ib ( mon .1)
2250 : cluster [WRN] overall HEALTH_WARN 23 OSD(s) experiencing
BlueFS spillover; 3 large omap objects; 1/4 mons down, quorum
arh-ibstorage2-ib,arh-ibstorage3-ib,arh-ibstorage4-ib; noout flag(s)
set; 43 pgs not deep-scrubbed in time; 12 pgs not scrubbed in time
2020-10-27T09:50:52.735457+0000 mon .arh-ibstorage1-ib ( mon .0)
31287 : cluster [INF] Health check cleared: MON_DOWN (was: 1/4 mons
down, quorum arh-ibstorage2-ib,arh-ibstorage3-ib,arh-ibstorage4-ib)
2020-10-27T12:35:20.556458+0000 mon .arh-ibstorage2-ib ( mon .1)
2260 : cluster [WRN] Health check failed: 1/4 mons down, quorum
arh-ibstorage2-ib,arh-ibstorage3-ib,arh-ibstorage4-ib (MON_DOWN)
2020-10-27T12:35:20.643282+0000 mon .arh-ibstorage2-ib ( mon .1)
2262 : cluster [WRN] overall HEALTH_WARN 23 OSD(s) experiencing
BlueFS spillover; 3 large omap objects; 1/4 mons down, quorum
arh-ibstorage2-ib,arh-ibstorage3-ib,arh-ibstorage4-ib; noout flag(s)
set; 47 pgs not deep-scrubbed in time; 14 pgs not scrubbed in time
This happens on a daily basis several times a day.
Could you please let me know how to fix this annoying problem?
I am running ceph version 15.2.4
(7447c15c6ff58d7fce91843b705a268a1917325c) octopus (stable) on
Ubuntu 18.04 LTS with latest updates.
Thanks
Andrei
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