[ovirt-users] live migration with openvswitch

Edward Haas ehaas at redhat.com
Fri Sep 9 11:09:59 UTC 2016

On Thu, Sep 8, 2016 at 11:27 AM, Pavel Levshin <lpk at 581.spb.su> wrote:

> Hi.
> I'm trying to learn Ovirt 4 and have a problem with it.
> My cluster consists of 3 nodes. I use Openvswitch for network
> connectivity. I have a HostedEngine and one additional VM in the cluster.
> When I try to migrate the VM to another node, it fails. From vdsm and
> libvirtd logs I see that proper network interface on destination node
> cannot be found. Libvirt tries to find Openvswitch bridge with name like
> "vdsmbr_AOYiPtcT". It exists on source node, but it is unique on every
> node, because it contains random part. Additionally, it changes on every
> reboot.
> How this is supposed to work?
> --
> Pavel Levshin
Hi Pavel,

VM migration is supported on the master branch, however it has not been
ported to 4.0 yet.
You can either build VDSM from source (from master branch) or try to apply
this patch on what you have:

(note that you'll need to restart vdsm service for this to take affect)

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