I use the container to run Ceph Cluster. There is no new osd.<number>.log in /var/log/ceph/<fsid>/. There is only ceph-volume.log. What config should I set to enable the log?
There is still osd.3 is down. I check it map to sdb. But there is no /dev/dm-* maped to /dev/sd*.
The Ceph Cluster message.
[root@GHui ~]# ceph osd df
Inferring fsid ea39c6f0-fb3b-11eb-9f7a-b8cef60b8e48
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
0 ssd 1.74660 1.00000 1.7 TiB 134 GiB 134 GiB 16 MiB 478 MiB 1.6 TiB 7.50 0.50 243 up
1 ssd 1.74660 1.00000 1.7 TiB 344 GiB 343 GiB 1.9 MiB 778 MiB 1.4 TiB 19.21 1.27 338 up
4 ssd 0.36389 1.00000 373 GiB 63 GiB 63 GiB 2.7 MiB 160 MiB 309 GiB 17.00 1.12 67 up
2 ssd 1.74660 1.00000 1.7 TiB 320 GiB 319 GiB 10 MiB 808 MiB 1.4 TiB 17.90 1.18 351 up
3 ssd 1.74660 1.00000 0 B 0 B 0 B 0 B 0 B 0 B 0 0 0 down
5 ssd 0.36389 1.00000 373 GiB 64 GiB 64 GiB 634 KiB 153 MiB 309 GiB 17.15 1.13 63 up
TOTAL 6.0 TiB 925 GiB 923 GiB 32 MiB 2.3 GiB 5.1 TiB 15.14
[root@GHui ~]# ceph device ls
DEVICE HOST:DEV DAEMONS WEAR LIFE EXPECTANCY
INTEL_SSDSC2KB019T8_PHYF102600551P9DGN GHui:sdb osd.3
------------------ Original ------------------
From: "Janne Johansson" <icepic.dz@xxxxxxxxx>;
Date: Tue, Nov 23, 2021 03:17 PM
To: "GHui"<ugiwgh@xxxxxx>;
Cc: "ceph-users"<ceph-users@xxxxxxx>;
Subject: Re: How to let osd up which is down
Den tis 23 nov. 2021 kl 05:56 skrev GHui <ugiwgh@xxxxxx>:
>
> I use "systemctl start/stop ceph.target" to start and stop Ceph Cluster. Maybe this is problem. Because of I restart the computer. The osd is all up.
> Is there any way to safe restart Ceph Cluster?
That is how you stop and start all ceph services on one host, yes.
I don't know if you did have the issue I described, I just noticed
that it looked very much like it.
Read the separate osd logs in /var/log/ceph/ceph-osd.<number>.log to
see why they do not start in your case.
--
May the most significant bit of your life be positive.
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