Where did you install OMPI? If you check "which mpirun", does it point to the same installation where you edited the default hostfile?
On Nov 6, 2011, at 6:16 PM, Lukas Razik wrote: > Hello together! > > I've built v1.4.3 (which was in OFED-1.5.3.2) and v1.4.4 (from you website). > But in both versions I've the following problem: > > If I write some hosts into > '/usr/mpi/gcc/openmpi-1.4.4/etc/openmpi-default-hostfile': > cluster1 > cluster2 > cluster3 > cluster4 > and execute 'mpirun -np 4 <app>" then only the local host is used. > > If I execute 'mpirun -hostfile /.../openmpi-default-hostfile -np 4 <app>' all > works fine. > So have I done something wrong or is there another possibility to set a > system-wide list of default hosts (i.e. for all users)? > > Many thanks for any help! > > Regards, > Lukas > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
