[ovs-discuss] using OVS as distributed switch

Martin Casado casado at nicira.com
Tue Sep 21 17:36:20 UTC 2010


  On 9/21/10 10:33 AM, Ben Pfaff wrote:
> On Tue, Sep 21, 2010 at 02:30:13PM +0200, benco wrote:
>> I'm wondering how to use OVS in distributed setup. I have a couple of Xen
>> hypervisors and want to migrate VMs between them - of course together with
>> network settings, VLAN IDs, etc. My first idea is to use one ovsdb-server
>> and connect ovs-vswitchd instances running on each hypervisor to it. Is this
>> kind of setup supported by current version of OVS? I't not very clear from
>> existing documentation.
> INSTALL.Linux says this:
>
>      Before starting ovs-vswitchd itself, you need to start its
>      configuration database, ovsdb-server.  Each machine on which Open
>      vSwitch is installed should run its own copy of ovsdb-server.
>
> How can I make this clearer?
>
I think the question is how can ovs be used to do distributed 
switching.  This is (partially) answered in the FAQ 
(http://openvswitch.org/?page_id=229)

.martin




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