Thanks very much Ralph. It works fine now.
Just some more questions to make it clearer.
1. Your respond confuses me. Especially for this one, *The rsh launch is
typically done in a tree topology, and so you get ssh from one backend node
to another.*
2. By adding -mca plm_rsh_no_tree_spawn 1, it
> On May 3, 2015, at 5:54 AM, XingFENG wrote:
>
> By changing the order of hosts, the program now can run on 6 machines with 2
> accounts.
>
> But it is very weird. Why the order of hosts would matter? Could any one
> refer something about how openmpi work, please? I have searched on the
>
By changing the order of hosts, the program now can run on 6 machines with
2 accounts.
But it is very weird. Why the order of hosts would matter? Could any one
refer something about how openmpi work, please? I have searched on the
Internet but nothing related is found.
On Sun, May 3, 2015 at 10:
I got some problems while running MPI programs with different account.
I have done the following things.
1. I have set password-less connection between these machines.
2. I have specified user names in host file.
3. I have successfully run the program on two machines with two different
accounts.