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Subject: Re: [OMPI devel] Multi-rail on openib
From: Nifty Tom Mitchell (niftyompi_at_[hidden])
Date: 2009-06-12 16:53:08

On Tue, Jun 09, 2009 at 04:33:51PM +0300, Pavel Shamis (Pasha) wrote:
>> Open MPI currently needs to have connected fabrics, but maybe that's
>> something we will like to change in the future, having two separate
>> rails. (Btw Pasha, will your current work enable this ?)
> I do not completely understand what do you mean here under two separate
> rails ...
> Already today you may connect each port to different subnet, and ports
> in the same
> subnet may talk to each other.

Subnet? (subnet .vs. fabric)
Does this imply tcp/ip
What IB protocols are involved and
Is there any agent that notices the disconnect and will trigger the switch?

	T o m  M i t c h e l l 
	Found me a new hat, now what?