[Users] How to make the best use of a dual port HCA

[Sabuj Pattanayek]

doesn't the ib-bonding driver only work for ipoib?

On Tue, Apr 30, 2013 at 1:20 PM, Orion Poplawski <orion at cora.nwra.com> wrote:
> On 04/29/2013 12:05 PM, Paul Grun wrote:
>>
>> Be aware that you may be limited by PCIe bandwidth, so connecting both
>> ports may not deliver a significant improvement in b/w performance.
>>
>
> Yeah, that is my concern.  Are there any good tools for testing the "raw" IB
> bandwidth using both ports?  It seems like tools like rdma_bw operate over
> just one port.
>
>
>> -----Original Message-----
>> From: users-bounces at lists.openfabrics.org
>> [mailto:users-bounces at lists.openfabrics.org] On Behalf Of Orion Poplawski
>> Sent: Monday, April 29, 2013 10:31 AM
>> To: users at lists.openfabrics.org
>> Subject: [Users] How to make the best use of a dual port HCA
>>
>> I'm just getting starting with setting up an infiniband network.  I have
>> several dual port DDR cards and am wondering what is the best way to make
>> use of them.  If I connect both ports on each card to the switch will I
>> automatically get improved bandwidth or does anything need to get
>> configured?
>>    What is the best way to configure IPoIB in this configuration?  I've
>> seen mention of using bonding, is this worthwhile?
>>
>> I've not yet been able to find a good guide that mentions dual port cards.
>>
>> Thanks!
>>
>> --
>> Orion Poplawski
>> Technical Manager                     303-415-9701 x222
>> NWRA, Boulder/CoRA Office             FAX: 303-415-9702
>> 3380 Mitchell Lane                       orion at nwra.com
>> Boulder, CO 80301                   http://www.nwra.com
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>>
>
>
> --
> Orion Poplawski
> Technical Manager                     303-415-9701 x222
> NWRA, Boulder/CoRA Office             FAX: 303-415-9702
> 3380 Mitchell Lane                       orion at nwra.com
> Boulder, CO 80301                   http://www.nwra.com
> _______________________________________________
> Users mailing list
> Users at lists.openfabrics.org
> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/users