Re: [OMPI users] problem using mpirun over multiple nodes

Hi Jeff, Thanks to you, I figured the problem . As you suspected, it was iptables which was acting as firewalls in some machines. So, after I stopped the iptable, the MPI communication is going fine. Even I tried with 5 machines together and the communication is going allright. Thanks again,

Re: [OMPI users] problem using mpirun over multiple nodes

ssh may be allowed but other random TCP ports may not. iptables is the typical firewall software that most Linux installations use; it may have been enabled by default. I'm a little doubtful that this is your problem, though, because you're apparently able to *launch* your application, which

Re: [OMPI users] problem using mpirun over multiple nodes

Are you running any firewall software? Sent from my phone. No type good. On May 25, 2011, at 10:41 PM, "Jagannath Mondal" wrote: > Hi, > I am having a problem in running mpirun over multiple nodes. > To run a job over two 8-core processors, I generated a

[OMPI users] problem using mpirun over multiple nodes

Hi, I am having a problem in running mpirun over multiple nodes. To run a job over two 8-core processors, I generated a hostfile as follows: yethiraj30 slots=8 max_slots=8 yethiraj31 slots=8 max_slots=8 These two machines are intra-connected and I have installed openmpi 1.3.3. Then If I try