Take a look at the output from "ompi_info --params btl openib" and you will see the available MCA params to direct the openib subsystem. I believe you will find that you can indeed specify the interface.
On Wed, Jul 15, 2009 at 7:15 AM, <nee...@crlindia.com> wrote: > > Hi all, > > I have a cluster where both HCA's of blade are active, but > connected to different subnet. > Is there an option in MPI to select one HCA out of available one's? > I know it can be done by making changes in openmpi code, but i need clean > interface like option during mpi launch time to select mthca0 or mthca1? > > Any help is appreciated. Btw i just checked Mvapich and feature is > there inside. > > Regards > > Neeraj Chourasia (MTS) > Computational Research Laboratories Ltd. > (A wholly Owned Subsidiary of TATA SONS Ltd) > B-101, ICC Trade Towers, Senapati Bapat Road > Pune 411016 (Mah) INDIA > (O) +91-20-6620 9863 (Fax) +91-20-6620 9862 > M: +91.9225520634 > > =====-----=====-----===== Notice: The information contained in this e-mail > message and/or attachments to it may contain confidential or privileged > information. If you are not the intended recipient, any dissemination, use, > review, distribution, printing or copying of the information contained in > this e-mail message and/or attachments to it are strictly prohibited. If you > have received this communication in error, please notify us by reply e-mail > or telephone and immediately and permanently delete the message and any > attachments. Internet communications cannot be guaranteed to be timely, > secure, error or virus-free. The sender does not accept liability for any > errors or omissions.Thank you =====-----=====-----===== > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >