I believe you could resolve this by specifying the interfaces to use in the
order you want them checked. In other words, you might try this:
-mca btl_tcp_if_include eth1,eth0
where eth1 is the NIC connecting the internal subnet in the cloud, and eth0 is
the NIC connecting them to the Internet.
HI,
I'm running openmpi on Rackspace cloud over Internet using MPI_Spawn. IT means,
I run the parent on my PC and the children on Rackspace cloud machines.
Rackspace provides direct IP addresses of the machines (no NAT), that is why it
is possible.
Now, there is a communicator involving only the
