Re: [OMPI users] OpenMPI does not see other nodes

2011-01-21 Thread Gus Correa
Steffen Brinkmann wrote: Hi! I have installed OpenMPI on a cluster consisting of ~30 nodes with 16 Xeon cores each. NFS is set up and working. For testing I have installed locally with ./configure --prefix=/home_dir/openmpi-1.4.3_installation/; make all install everything smooth so far. Whe

Re: [OMPI users] OpenMPI does not see other nodes

2011-01-21 Thread Nico Mittenzwey
On 01/21/2011 12:26 PM, Steffen Brinkmann wrote: /home_dir/openmpi-1.4.3_installation/bin/mpirun -n 32 hostname returns 32 times the same node. What did I do wrong??? You need to tell OpenMPI on which hosts to run - for example by suppling a host file: /home_dir/openmpi-1.4.3_installation/

[OMPI users] OpenMPI does not see other nodes

2011-01-21 Thread Steffen Brinkmann
Hi! I have installed OpenMPI on a cluster consisting of ~30 nodes with 16 Xeon cores each. NFS is set up and working. For testing I have installed locally with ./configure --prefix=/home_dir/openmpi-1.4.3_installation/; make all install everything smooth so far. When I run a parallel program