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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