[Lustre-discuss] Lustre Client using 10GigE iWarp

[Liang Zhen]

David Dillow wrote:
> On Fri, 2009-05-29 at 08:57 -0500, Dennis Nelson wrote:
>   
>> I have tried this:
>>
>> options lnet networks=o2ib(eth2)
>>
>> Is that correct?
>>     
>
> I would think so, but someone more experienced in the Lustre o2ib LND
> and iWarp should chime in on that -- I've never used iWarp, only IB.
>   

we also need this for iWarp:
options o2iblnd map_on_demand=64
or map_on_demand=32 if you failed to startup

Regards
Liang

>   
>> The client is connected to the IB fabric using a Voltaire 10 GigE line card
>> on a IB switch.  Has anyone tested such a configuration?  Should I expect it
>> to work?
>>     
>
> I don't expect that to work, unless the Voltaire is converting iWarp to
> IB -- and I highly doubt that. It is more likely using EoIB to transport
> the ethernet frames over the IB fabric. You will likely need a Lustre
> router to sit between the two fabrics.
>