Yes, I built MPICH-3 on both systems and I tried the code on each node separately and it worked, I tried each node with other nodes that has the same operating system and it worked as well.
When I try the code on the 2 nodes that have different operating systems no result or error message appear.

Regards
Doha

On Mon, Nov 14, 2016 at 6:25 PM, Kenneth Raffenetti <raffenet@mcs.anl.gov> wrote:
It may be possible to run in such a setup, but it would not be recommended. Did you build MPICH on both systems you are trying to run on? What exactly happened when the code didn't work?

Ken


On 11/13/2016 12:36 AM, Doha Ehab wrote:
Hello,
 I tried to run a parallel (Hello World) C code on a cluster that has 2
nodes, the nodes have different operating system so the code did not
work and no results were printed.
 How to make such a cluster work? is there is extra steps that should be
done?

Regards,
Doha


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