[ofa-general] Building IB SAN with Linux without switch

[Roberto Fichera]

On Lun, 21 Settembre 2009 8:04 am, Dotan Barak wrote:
> Hi.
>
> On Fri, Sep 18, 2009 at 11:41 PM, Roberto Fichera <robyf at tekno-soft.it>
> wrote:
>> Hi All in the list,
>>
>> I would like to know if it's possible to configure a linux server with 2
>> or 3 HCAs, with 2 ports each, so that I can connect 4 or 6 nodes without
>> using any switch in the middle. If possible, please show an example of
>> the
>> network configuration.
>
> Yes, this is possible.
>
> But please pay attention: Every port will be in a different Infiniband
> subnet (from the local host point of view).

yes! I know! Actually I don't need any communication between nodes via IB
nodes. I'll use a normal Gb network for that.

>
> What do you plan to do with this setup?
> (which SW/program to use?)

A dedicated 10GB link for a limited number of nodes. The server will work
like a SAN storage, nodes are mainly used for Xen virtualization.

>
> Dotan
>