[ovs-discuss] help: OVS distributed support questions

Gary Kotton gkotton at redhat.com
Tue Apr 10 22:14:58 PDT 2012

On 04/11/2012 06:31 AM, Kris zhang wrote:
> Thank you, Gary and Ben, and do you have any documents to guide me?

Sorry, at the moment there is not any documentation about the 
integration. Hopefully in the near future. Here are some links that may 
be helpful:

Quantum - http://wiki.openstack.org/Quantum
oVirt - http://www.ovirt.org/wiki/Building_Ovirt_Engine
VDSM - http://www.ovirt.org/wiki/Vdsm_Developers

The POC was done on Fedora 16. It made use of the latest oVirt and VDSM 
source code. The Quantum packages were the latest F16 packages.
The Quantum service was running on the same host as the oVirt engine. 
When a logical network is created and the network name has a prefix "Q_" 
then a new Quantum network would be created. When a VM is created and a 
virtual NIC is assigned to a "Q_" network then a Quantum port is 
created. When the VM is started a interface attachment is created.
The Quantum agent is running on the VDSM host. The VDSM code was updated 
to add the port to the ovs integration bridge (tap device,  mac address 
and vm uuid). When the agent detects that the interface is up it will 
add the relevant bindings.
Please note that a tag will be allocated by Quantum for the logical 
network. This is not set by the user.


> Or which project can i get more information about the integrated with 
> OpenvSwtich?
> On Wed, Apr 11, 2012 at 1:55 AM, Gary Kotton <gkotton at redhat.com 
> <mailto:gkotton at redhat.com>> wrote:
>     On 04/10/2012 06:43 AM, Kris zhang wrote:
>>     Actually i want to integrate OVS to Ovirt, is that possible?
>     Yes, this is certainly possible. At the moment we have a POC with
>     the integration of Quantum into oVirt. This is up and running with
>     the OVS plugin. Please note that this is in its initial stages and
>     there are still a number of items that need to be addressed by the
>     Quantum interface. Hopefully these will be addressed at the up and
>     coming Folsom summit.
>     Thanks
>     Gary
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss

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