On Thu, May 31, 2018 at 1:55 AM Bernhard Dick <bernh...@bdick.de> wrote:

> Hi,
>
> I found the reason for my timeout problems: It is the version of librbd1
> (which is 0.94.5) in conjunction with my CEPH test-environment which is
> running the luminous release.
> When I install the librbd1 (and librados2) packages from the
> centos-ceph-luminous repository (version 12.2.5) I'm able to start and
> migrate VMs inbetween the hosts.
>

vdsm does not require librbd since qemu brings this dependency, and vdsm
does not access ceph directly yet.

Maybe qemu should require newer version of librbd?

Nir


>
>    Regards
>      Bernhard
>
> Am 25.05.2018 um 17:08 schrieb Bernhard Dick:
> > Hi,
> >
> > as you might already know I try to use ceph with openstack in an oVirt
> > test environment. I'm able to create and remove volumes. But if I try to
> > run a VM which contains a ceph volume it is in the "Wait for launch"
> > state for a very long time. Then it gets into "down" state again. The
> > qemu log states
> >
> > 2018-05-25T15:03:41.100401Z qemu-kvm: -drive
> >
> file=rbd:rbd/volume-3bec499e-d0d0-45ef-86ad-2c187cdb2811:id=cinder:auth_supported=cephx\;none:mon_host=[mon0]\:6789\;[mon1]\:6789,file.password-secret=scsi0-0-0-0-secret0,format=raw,if=none,id=drive-scsi0-0-0-0,serial=3bec499e-d0d0-45ef-86ad-2c187cdb2811,cache=none,werror=stop,rerror=stop,aio=threads:
>
> > error connecting: Connection timed out
> >
> > 2018-05-25 15:03:41.109+0000: shutting down, reason=failed
> >
> > On the monitor hosts I see traffic with the ceph-mon-port, but not on
> > other ports (the osds for example). In the ceph logs however I don't
> > really see what happens.
> > Do you have some tips how to debug this problem?
> >
> >    Regards
> >      Bernhard
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