[ofa-general] Re: [ewg] OFED March 24 meeting summary on OFED 1.4 plans

Tang, Changqing changquing.tang at hp.com
Fri Apr 4 08:08:33 PDT 2008


What I mean "claim to support" is to have more people to test with this config.

--CQ

> -----Original Message-----
> From: Or Gerlitz [mailto:or.gerlitz at gmail.com]
> Sent: Thursday, April 03, 2008 11:18 PM
> To: Tang, Changqing
> Cc: general at lists.openfabrics.org; ewg at lists.openfabrics.org
> Subject: Re: [ofa-general] Re: [ewg] OFED March 24 meeting
> summary on OFED 1.4 plans
>
> On Thu, Apr 3, 2008 at 5:40 PM, Tang, Changqing
> <changquing.tang at hp.com> wrote:
>
> >  The problem is, from MPI side, (and by default), we don't
> know which
> > port is on which  fabric, since the subnet prefix is the
> same. We rely
> > on system admin to config two  different subnet prefixes
> for HP-MPI to work.
> >
> >  No vendor has claimed to support this.
>
> CQ, not supporting a different subnet prefix per IB subnet is
> against IB nature, I don't think there should be any problem
> to configure a different prefix at each open SM instance and
> the Linux host stack would work perfectly under this config.
> If you are a ware to any problem in the opensm and/or the
> host stack please let the community know and the maintainers
> will fix it.
>
> Or.
>



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