I had a same problem like this.
I am using Debian on my nodes, the problem was with non-interactive
shell invocations,
I added "export LD_LIBRARY_PATH=/usr/local/openMPI/lib" at the top of
the ~/.bashrc files in all nodes then it worked.
Regards.
jacob Balthazor wrote:
Hey,
Please help me out as I cannot figure out from all the online
documentation why my cluster wont work.
1) I started with two computers with a fresh install of Fedora 10.
2) Created two user accounts on the two computers with the same user name.
3) Created an rsa keyed ssh between the two computers going both
directions, so that each computer can log into one another without
being prompted for a password.
4) Installed openmpi on both via yum with the command "yum install
openmpi openmpi-devel openmpi-libs".
5) Compiled and ran hello.c with a host file containing the IP
addresses of both computers with slot numbers. But openmpi only hangs
for minutes, until I kill it.
I am able to run hello.c locally and even with a hostfile
containing only the local machines address, but am not able to started
a multi node program from either computer. Have I done all the correct
steps, am I missing something?
- Jacob B.
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