When you typed the --host x1 command, were you sitting on x1?
Likewise, when you typed the --host x2 command, were you not on host x2?
If the answer to both questions is "yes", then my guess is that
something is preventing you from launching a daemon on host x2. Try
adding --leave-session-attached to your cmd line and see if any error
messages appear. And check the FAQ for tips on how to setup for ssh
launch (I'm assuming that is what you are using).
http://www.open-mpi.org/faq/?category=rsh
Ralph
On Oct 31, 2008, at 12:06 AM, Allan Menezes wrote:
Hi,
I built open mpi version 1.3b1 withe following cofigure command:
./configure --prefix=/opt/openmpi13b1 --enable-mpi-threads --with-
threads=posix --disable-ipv6
I have six nodes x1..6
I distributed the /opt/openmpi13b1 with scp to all other nodes from
the head node
When i run the following command:
mpirun --prefix /opt/openmpi13b1 --host x1 hostname it works on x1
printing out the hostname of x1
But when i type
mpirun --prefix /opt/openmpi13b1 --host x2 hostname it hangs and
does not give me any output
I have a 6 node intel quad core cluster with OSCAR and pci express
gigabit ethernet for eth0
Can somebody advise?
Thank you very much.
Allan Menezes
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