Re: Missing OSD daemons while they are in UP state.

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Hello,

On Thu, 26 May 2016 10:12:54 +0430 Albert Archer wrote:

> Can anybody give me help ???
>
Being proactive would likely be all the help you need.

If you're searching for systemd problems in this ML, the Ceph changelogs
and google in general you will find many problems, some of them very much
sounding like your problem.

But since in ALL your posts so far you never mentioned what version of
Ceph you're using, I'll leave this as an exercise for you.
 
Christian

> On Wed, May 25, 2016 at 7:45 PM, Albert Archer <albertarcher94@xxxxxxxxx>
> wrote:
> 
> > It's not strange enough ???
> > On May 25, 2016 3:38 PM, "Albert Archer" <albertarcher94@xxxxxxxxx>
> > wrote:
> >
> >> Hello All,
> >> Unfortunately my virtual ceph cluster(virtual machines on VMware ESXI)
> >> felt into strange state.
> >> When i reboot one of ceph OSD machines (hostname=osd3), all of OSD
> >> daemons that related to that host were down (it's normal).
> >> But when that OSD host boots up, i couldn't make OSDs UP, Because
> >> when i run this command to view my ceph daemons (*$ sudo  systemctl
> >> -a | grep ceph* ), there was no
> >> *ceph-osd@x.sevice*  deamon to to got start by me.
> >>
> >> *$ sudo  systemctl -a | grep ceph *
> >> *.*
> >> *.*
> >> *.*
> >>
> >>
> >> * var-lib-ceph-osd-ceph\x2d2.mount                    loaded    active
> >> mounted   /var/lib/ceph/osd/ceph-2 var-lib-ceph-osd-ceph\x2d5.mount
> >>            loaded    active   mounted
> >> /var/lib/ceph/osd/ceph-5 var-lib-ceph-osd-ceph\x2d8.mount
> >>  loaded    active   mounted   /var/lib/ceph/osd/ceph-8 session-1.scope
> >>                                                loaded    active
> >> abandoned Session 1 of user cephuser session-37.scope
> >>                  loaded    active   running   Session 37 of user
> >> cephuser...                             *
> >>
> >> so , when i run following command in that OSD host, my OSD daemon
> >> getting UP.
> >>
> >> *$ ceph-osd -i 2*
> >>
> >> *$ ceph-osd -i 5*
> >> *$ ceph-osd -i 8*
> >> *....................................................*
> >>
> >> *$ ceph osd tree*
> >>
> >>
> >>
> >> *ID WEIGHT  TYPE NAME      UP/DOWN REWEIGHT PRIMARY-AFFINITY-1 1.26874
> >> root default-2 0.29279     host osd1 0 0.09760         osd.0       up
> >>  1.00000          1.00000 3 0.09760         osd.3       up  1.00000
> >>  1.00000 6 0.09760         osd.6       up  1.00000          1.00000-3
> >> 0.48798     host osd2 1 0.09760         osd.1       up  1.00000
> >>  1.00000 4 0.09760         osd.4       up  1.00000          1.00000 7
> >> 0.09760         osd.7       up  1.00000          1.00000 9 0.09760
> >> osd.9       up  1.00000          1.0000010 0.09760
> >> osd.10      up 1.00000          1.00000-4 0.48798     host osd3 2
> >> 0.09760         osd.2 up  1.00000          1.00000 5 0.09760
> >> osd.5       up  1.00000 1.00000 8 0.09760         osd.8       up
> >> 1.00000          1.00000*
> >>
> >>
> >> But, still there is no *ceph-osd@x.sevice *daemon to manage OSDs.
> >> what is the problem ???
> >>
> >> Regards
> >> Albert
> >>
> >>
> >>


-- 
Christian Balzer        Network/Systems Engineer                
chibi@xxxxxxx   	Global OnLine Japan/Rakuten Communications
http://www.gol.com/
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