have you tested your ssh key setup, fire wall, and switch settings to ensure all nodes are talking to each other?
On Mon, Dec 27, 2010 at 1:07 AM, Advanced Computing Group University of Padova <acg.un...@gmail.com> wrote: > using openmpi 1.4.2 > > > On Fri, Dec 24, 2010 at 11:17 AM, Advanced Computing Group University of > Padova <acg.un...@gmail.com> wrote: > >> Hi, >> i am building a small 16 nodes cluster gentoo based. >> I succesfully installed openmpi and i succesfully tried some simple small >> test parallel program on a single host but... >> i can't run parallel program on more than one nodes >> >> >> The nodes are cloned (so they are equals). >> The mpiuser (and their ssh certificates) uses /home/mpiuser that is a nfs >> share. >> I modified .bashrc >> >> ------------------------- >> PATH=/usr/bin:$PATH ; export PATH ; >> LD_LIBRARY_PATH=/usr/lib64:$LD_LIBRARY_PATH ; export LD_LIBRARY_PATH ; >> >> # already present below >> if [[ $- != *i* ]] ; then >> # Shell is non-interactive. Be done now! >> return >> fi >> --------------------- >> >> The very very strange behaviour is that using the --debug-daemons let my >> program run succesfully..... >> >> Thank you in advance and sorry for my bad english >> >> >> >> > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > -- David Zhang University of California, San Diego
