[ovirt-users] Using 10gb vNIC/vbridge into VM is possible?

[Amador Pahim]

On 12/19/2014 02:08 PM, Darrell Budic wrote:
> I tried a quick iperf test a while back and got 3-4Gb/sec between a 
> pair of VMs on separate hosts with a 10G infrastructure, no real 
> tuning and no SRIOV. That met my needs so I didn’t try anything 
> further. If you were aiming for 10G for all, you’d want to work on 
> SRIOV I imagine, but they get pretty good performance even without it.

Maybe we should report vNIC speed as the speed of underlying NIC/Bond. 
Even being the underlying NIC/Bond shared, it would reflect better the 
vNIC max. speed than a fake hard coded value.

>
>
>> On Dec 19, 2014, at 4:49 AM, Kalil de A. Carvalho <kalilac at gmail.com 
>> <mailto:kalilac at gmail.com>> wrote:
>>
>> Dear Amador.
>>
>> No, unfortunately not.
>>
>> This was just a friend question, because he need VM with 10GB NIC's.
>>
>> Today he is using Xenserver, this solution does not attend his 
>> expedition and he is research another solution.
>>
>> I told him about oVirt/KVM but this is a prerequisite to use.
>>
>> I will plan with him to try make a project to test a take the resolts.
>>
>> Best regards.
>>
>> On Fri, Dec 19, 2014 at 1:18 AM, Amador Segundo<asegundo at redhat.com 
>> <mailto:asegundo at redhat.com>>wrote:
>>
>>     Virtio devices does not support speed, so we fake their speeds
>>     showing "1000mbps" in Admin. Portal. If your boxes have 10gbps
>>     devices then your vms are already taking advantage of that. Did
>>     you test it? Could you share some results?
>>
>>
>>     -----Original Message-----
>>     From: Kalil de A. Carvalho [kalilac at gmail.com
>>     <mailto:kalilac at gmail.com>]
>>     Received: Thursday, 18 Dec 2014, 22:59
>>     To:users at ovirt.org <mailto:users at ovirt.org>
>>     Subject: [ovirt-users] Using 10gb vNIC/vbridge into VM is possible?
>>
>>
>>     Hello all.
>>
>>     Today a follow work ask me if is possible to use vNIC or vbridge
>>     in a VM managed by ovirt.
>>
>>     What he wants is to have a virtual 10gb network to some machines.
>>
>>     All hosts NIC's are 10gb.
>>
>>     Is this possible?
>>
>>     If yes how can I do it?
>>
>>     Best regards.
>>
>>
>>
>>
>> --
>> Atenciosamente,
>> Kalil de A. Carvalho
>>
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>

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