Make sure you have Open MPI 1.3 series, I dont think the if_include param is not avaliable in 1.2 series.
max btls controls fragmentation and load balancing over similar BTLS ( example using LMC > 0, or 2 ports connected to 1 network ) you need if_include param On Wed, Jul 15, 2009 at 4:20 PM, Ralph Castain <r...@open-mpi.org> wrote: > 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 >> > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >