Hi,all I tried to use hostfile option to launch MPI jobs on several nodes.Each node has the same Open MPI package installed correctly (version 1.1ra9202). But only node0 refused to work with other nodes.What should I do? Can anybody help me? thank you.
[semper@node0]mpirun --hostfile h -np 4 /tmp/semper/testMPI Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. Signal:11 info.si_errno:0(Success) si_code:2(SEGV_ACCERR) Failing at addr:0x6 [semper@node0]cat h node0 node2 node4 node6 [semper@node0]vi h [semper@node0]cat h node2 node4 node6 [semper@node0]mpirun --hostfile h -np 4 /tmp/semper/testMPI Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. >From process 0: Num processes: 4 Greetings from process 1 ,pid 5140,host node4! Greetings from process 2 ,pid 11471,host node6! Greetings from process 3 ,pid 4290,host node2! [semper@node0]mpirun -np 4 /tmp/semper/testMPI Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. Hello MPI World the original. >From process 0: Num processes: 4 Greetings from process 1 ,pid 21743,host node0! Greetings from process 2 ,pid 21744,host node0! Greetings from process 3 ,pid 21745,host node0!
