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Re: [Xen-devel] xen & MacVtap



Hi David
Thanks for your reply.
I have ever heard bond way, not try.
What I want to know is whether bond driver can provide stable and engineering solution for the live migration?

å 2014-01-08 21:18:32ï"David Vrabel" <david.vrabel@xxxxxxxxxx> åéï
>On 08/01/14 12:27, Pasi KÃrkkÃinen wrote:
>> On Wed, Jan 08, 2014 at 06:22:06PM +0800, topperxin wrote:
>>>    Hi list
>>>            As we all know, SR-IOV technology can improve VNIC's performance,
>>>    while it can not support live migration. I get some information recently
>>>    that on KVM+Virtio platform, if we use MacVtap + SR-IOV, the live
>>>    migration could be done successfully. What I want to know is may I
>>>    configure MacVtap on Xen?
>>>           Any replies are welcome! Thanks a lot.
>> 
>> I think years ago (2009, perhaps) when SR-IOV was first demoed with Xen
>> it was demoed with live migration.. it was a mixture of SR-IOV VF + Xen vif.
>> 
>> So with some toolstack/script hackery you can do it. (=use the vif pv driver during migration, normally sr-iov vf).
>
>You may find creating an active-backup bond in the guest useful.  The
>active bond link is the SR-IOV device and the backup is the VIF.
>
>I've not tried this myself.
>
>David


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