[mpich-discuss] Windows/Linux MPICH2

[Matthew Chambers]

Hi Jayesh,

I reconfigured with ch3:sock and I get the same hanging problem. Testing 
with cpi:

../bin/mpiexec -hosts 2 <centos-hostname> <windows-hostname> -path 
"/hactar/src/mpich2-1.3a1/examples;C:\program files 
(x86)\mpich2\examples" cpi
User credentials needed to launch processes on deepthought:
account (domain\user): root (yes, the windows username is root)
password:
Process 0 of 2 is on jeltz.mc.vanderbilt.edu
pi is approximately 3.1415926544231318, Error is 0.0000000008333387
wall clock time = 0.000766
<hangs>

Windows firewall is disabled and I get the same results whether the 
CentOS box's iptables is on or off.

Thanks,
-Matt

On 3/18/2010 12:16 PM, Jayesh Krishna wrote:
> Hi,
>   Yes, MPICH2 currently does not support heterogeneous machine configurations (You cannot run your MPI program across 32-bit/64-bit machines/data-models). You should use IA32 version of MPICH2 on the windows 7 machine.
>   Also make sure that you have configured the unix boxes to use sock (--with-device=ch3:sock) as the channel (the default is nemesis).
>   Make sure that you don't have firewalls running on any machines.
>   Let us know the results.
>
> Regards,
> Jayesh
> ----- Original Message -----
> From: "Matthew Chambers"<matthew.chambers at vanderbilt.edu>
> To: mpich-discuss at mcs.anl.gov
> Sent: Thursday, March 18, 2010 11:30:48 AM GMT -06:00 US/Canada Central
> Subject: [mpich-discuss] Windows/Linux MPICH2
>
>
> Hi,
>
> I'm trying to get a cluster working with three types of nodes: 64-bit CentOS 5.4, 64-bit Windows 7, and 32-bit Fedora 8. The 32-bit machines can't run a 64-bit OS so I'm stuck with 32-bit. I'm trying to do this with SMPD but having trouble. Am I correct in thinking that I have to use/compile the 32-bit version of MPICH2 on the 64-bit machines?
>
> It appears that I can't use the Windows node as the typical head node because it needs to map a network drive with different user credentials in order to run. So I'm back to using the CentOS box as a head node. However, when I try to run a job which includes the Windows node, the job hangs.
>
> "smpd -status<windows-hostname>" works as expected from the CentoOS box
> "smpd -status<centos-hostname>" works as expected from the Windows box
>
> But trying to run a job and it hangs after outputting "Process #1 (<windows-hostname>) has started."
>
> I've attached the SMPD debug logs for both the CentOS and Windows boxes. I've tried both 1.2.1p1 and 1.3a1 with the same result.
>
> Thanks,
> Matt
>
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>    
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