Mellanox infiniband support

[Anthony Cornehl]

On Mon, Nov 18, 2013 at 2:03 PM, chintu hetam <rometoroam at gmail.com> wrote:

> Greetings,
>
>
>
> I am implementing an interface server application with purpose to capture
> and store data @ 50+Gbps. Ours is platform product that has 5 10Gbps
> processing nodes and one management node. i did look for various solutions
> and its supported software for FreeBSD.
>
>
> Relevant information on following things will be very handful..
>
> Is Mellanox Connect-X series supported fully and mature enough for FreeBSD
> to create a product?
>
> In particular,i am planning to use ASUS mother board with Mellanox
> Connect-X3 on board. i dint find any FreeBSD driver supported for any of
> the Connect – X 3(EN/IB) silicons.
>
>
> The ConnectX-3 uses the "mlx4" driver, which is available with FreeBSD 9.0
and later.

Instructions on how to build support for it in the kernel and user-space
can be found on the FreeBSD wiki at https://wiki.freebsd.org/InfiniBand

>
> Is it possible to daisy chain single port on-board Connect –X3 (EN/IB) with
> QSFP connector? In case of no is there any alternative?i know one way to do
> is, management node have Mellanox switches (6 ports) and connect each
> processing node in star topology.
>
> Both are possible, given proper context. IPoIB does not work with a
daisy-chain setup, for instance.

>
> Are you planning driver release for FreeBSD in near future. i am looking
> for release which can be used to release the platform product?
>
>
> any information on few performance figures and release date plans will be
> great.
>
>
> I don't know of any recently published numbers for the state of InfiniBand
in FreeBSD. Hopefully someone can shed light on what improvements where
introduced with the recent commits to FreeBSD 10 by Mellanox.

>
> Thanks
>
>  Chintu
>
>  Sr OS Engineer,NJ
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