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,
Jag
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 me
Hi Jeff,
I was wondering how I can check whether there is any firewall software .
In fact I can use ssh to go from one machine to another . But, only with
mpirun , it does not work. I was wondering whether it is possible that even
in presence of firewall ssh may work but mpirun may not.
Jaganna
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 hostfile as follows:
> yethiraj30