On Apr 25, 2012, at 11:06 AM, seshendra seshu wrote: > so should i need to create an user and run the mpi program. or how can i run > in cluster
It is a "best practice" to not run real applications as root (e.g., MPI applications). Create a non-privlidged user to run your applications. Then be sure to set your LD_LIBRARY_PATH if you installed Open MPI into a non-system-default location. See this FAQ item: http://www.open-mpi.org/faq/?category=running#adding-ompi-to-path -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/