Hello,
since everybody else who might actually have answers for you will ask
this:
What version of Debian (Jessie one assumes)?
What Ceph packages, Debian ones or from the Ceph repository?
Exact versions please.
As for me, I had similar experiences with Firefly (Debian package) under
Jessie and switched to SysV init for serene happiness.
Christian
On Mon, 7 Mar 2016 12:27:48 +0100 Florent B wrote:
> Hi everyone,
>
> I try to understand how Ceph works with systemctl on Debian and it seems
> to be a mess.
>
> First question : why is /etc/init.d/ceph is used as a "ceph" service ?
> that's an old sysvinit script !
>
> Second question: why this "ceph" service is handling everything while it
> should be the new "ceph.target" unit ? "ceph.target" is disabled !
>
> Third question : why some components like OSDs are handled via systemctl
> whereas MONs are unable to be handled via systemctl ? Here examples :
>
> # systemctl status ceph-mon@* -l
> ● ceph-mon@\x2a.service - Ceph cluster monitor daemon
> Loaded: loaded (/lib/systemd/system/ceph-mon@.service; enabled)
> *Active: failed (Result: exit-code) *since Mon 2016-03-07 12:16:50
> CET; 1min 55s ago
> Process: 1861 ExecStart=/usr/bin/ceph-mon -f --cluster ${CLUSTER} --id
> %i --setuser ceph --setgroup ceph (code=exited, status=1/FAILURE)
> Main PID: 1861 (code=exited, status=1/FAILURE)
>
> ● ceph-mon@5.service - Ceph cluster monitor daemon
> Loaded: loaded (/lib/systemd/system/ceph-mon@.service; enabled)
> *Active: failed (Result: exit-code)* since Tue 2016-03-01 12:46:27
> CET; 5 days ago
> Main PID: 10600 (code=exited, status=1/FAILURE)
>
> ● ceph-mon@host2.service - Ceph cluster monitor daemon
> Loaded: loaded (/lib/systemd/system/ceph-mon@.service; enabled)
> *Active: failed (Result: exit-code)* since Mon 2016-03-07 12:07:48
> CET; 10min ago
> Process: 31231 ExecStart=/usr/bin/ceph-mon -f --cluster ${CLUSTER}
> --id %i --setuser ceph --setgroup ceph (code=exited, status=1/FAILURE)
> Main PID: 31231 (code=exited, status=1/FAILURE)
>
>
> # systemctl status ceph-osd@*
> ● ceph-osd@15.service - Ceph object storage daemon
> Loaded: loaded (/lib/systemd/system/ceph-osd@.service; disabled)
> *Active: active (running)* since Fri 2016-02-26 19:04:45 CET; 1 weeks
> 2 days ago
> Main PID: 30211 (ceph-osd)
> CGroup: /system.slice/system-ceph\x2dosd.slice/ceph-osd@15.service
> └─30211 /usr/bin/ceph-osd -f --cluster ceph --id 15 --setuser
> ceph...
>
> ● ceph-osd@14.service - Ceph object storage daemon
> Loaded: loaded (/lib/systemd/system/ceph-osd@.service; disabled)
> *Active: active (running)* since Tue 2016-03-01 12:44:32 CET; 5 days
> ago Main PID: 9586 (ceph-osd)
> CGroup: /system.slice/system-ceph\x2dosd.slice/ceph-osd@14.service
> └─9586 /usr/bin/ceph-osd -f --cluster ceph --id 14 --setuser
> ceph ...
>
> ceph-osd ID's are automatically found, but ceph-mon ID's are not !
>
> "systemctl start ceph.target" is not starting MONs on my systems !
>
> What's in trouble ? How to handle this mess ?
>
> Thank you for your help
>
> Florent
--
Christian Balzer Network/Systems Engineer
chibi@xxxxxxx Global OnLine Japan/Rakuten Communications
http://www.gol.com/
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