I run a program with the following command line, and obtain the error message mpirun -x LD_LIBRARY_PATH=/home/haoanyi1/socIntel/goto --prefix /home/haoanyi1/openmpi1.4.1 -np 2 -host intel01,intel02 -rf hosts ./main 62 62 tests/ > newtest_64x64_np2_omp
[btl_tcp_endpoint.c:638:mca_btl_tcp_endpoint_complete_connect] connect() to 192.168.122.1 failed: Connection refused (111) In the hostsfile, I use following to do cpu mapping rank 0=intel01 slot=0 rank 1=intel02 slot=1 This file is different from the hosts file that I do with mpurun --hostfile hosts hostname, which reads like intel01 intel02 ...... 2010-03-25 04:33:24, "Jeff Squyres" <jsquy...@cisco.com> wrote: >Can you mpirun non-MPI applications, like "hostname"? I frequently run this >as a first step to debugging a wonky install. For example: > >shell$ hostname >>barney >shell$ mpirun hostname >barney >shell$ cat hosts >barney >rubble >>shell$ mpirun --hostfile hosts hostname >barney >rubble >shell$ > > >On Mar >24, 2010, at 4:28 PM, haoanyi wrote: > >> Hi, >> >> I installed OpenMPI1.4.1 >as a non-root user on a cluster. It is totally OK when I run with mpirun or >mpiexec on one single node for many processes. However, when I lauch many >processes on multiple nodes, I can observe jobs are distributed to those nodes >(by using "top"), but all the jobs just hang there and cannot finish. >> >> I >think the nodes use TCP to communicate with each other. This cluster also >provides MPICH2, which was configured by the sys admin., and has no problem to >do node communication in MPICH2. Besides, I read from some posts, which says >this may be caused by TCP firewall. Since I have no root's right, and I don't >know what shall request the admin. to do to fix this problem. So, can you tell >me how to do that either by the admin root or by the non-root user (if >possible)? >> >> Thank you very much. >> Hao >> >> >> >_______________________________________________ >> users mailing list >> >us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > >>-- >Jeff Squyres >jsquy...@cisco.com >For corporate legal information go to: >>http://www.cisco.com/web/about/doing_business/legal/cri/ > > >>_______________________________________________ >users mailing list >>us...@open-mpi.org >http://www.open-mpi.org/mailman/listinfo.cgi/users
