FW: [MPICH] Re: reg. heterogeneous cluster - Use OpenIB on all m/c

[Jayesh Krishna]

FYI...

Regds,
Jayesh

-----Original Message-----
From: Pavan Balaji [mailto:balaji at mcs.anl.gov] 
Sent: Wednesday, November 21, 2007 12:37 PM
To: Jayesh Krishna
Subject: Re: [MPICH] Re: reg. heterogeneous cluster


>  3) If answer to 1 & 2 is yes, should the Infiniband driver stack on  
> all machines be from the same vendor? (OpenIB, QLogic (Silverstorm),  
> Cisco etc)? Or can Linux have OpenIB stack and windows have vendor  
> stack and still be able to participate in a single MPI application?

Different IB stacks don't interact very well even on homogeneous platforms.
The user should install OpenIB (now called OpenFabrics) on all machines,
since it's supported by all vendors.

 -- Pavan

--
Pavan Balaji
http://www.mcs.anl.gov/~balaji