Yes i had got that problem during execution
What you are using rsh or ssh?
As i was using rsh and using it i execute as
mpiexec -launcher rsh -f machinefile -n 3 ./a.out
a.out is executable file or object file after compilation
Hi everyone：I am a beginner in using mpich. There was an error in installing mpich 3.2. when I ran command “ mpiexec -f machinefile -n 3 hostname", there was a error which said that:[mpiexec@mpi1] HYDU_sock_is_local (/home/mpi/mpich-3.2/src/pm/hydra/utils/sock/sock.c:532): gethostbyname error on mpi1: Host name lookup failure[mpiexec@mpi1] main (/home/mpi/mpich-3.2/src/pm/hydra/ui/mpich/mpiexec.c:291): unable to check if www.plaust.edu.cn is localThere was only one line in my machinefile:mpi2And when I tried to ping mpi2, there was an respond:[mpi@mpi1 ~]$ ping mpi2PING mpi2 (172.18.0.217) 56(84) bytes of data.64 bytes from mpi2 (172.18.0.217): icmp_seq=1 ttl=64 time=1.38 ms64 bytes from mpi2 (172.18.0.217): icmp_seq=2 ttl=64 time=0.263 msIs there anyone who have encountered this problem?
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