Hi Shiqing,
No problems executing notepad.exe remotely - process with id 2416 created on
remote node.
>From 10.244.166.37
C:\Users\greenbutton>wmic /node:10.243.1.134 process call create notepad.exe
Executing (Win32_Process)->Create()
Method execution successful.
Out Parameters:
instance of __PARAMETERS
{
ProcessId = 2416;
ReturnValue = 0;
};
No problems running the MPI command on notepad.exe
>From 10.244.166.37
C:\Users\greenbutton>mpirun -np 2 -host 10.244.166.37,10.243.1.134
c:\windows\system32\notepad.exe
connecting to 10.243.1.134
username:greenbutton
password:*********
Save Credential?(Y/N) n
--------------------------------------------------------------------------
mpirun noticed that the job aborted, but has no info as to the process
that caused that situation.
--------------------------------------------------------------------------
(Works; blocked until notepad.exe killed on both nodes)
Running my command MPIHello still does not work across nodes; I believe
there is a MPI communication problem between the processes, ie.
MPI_Send/Recv. It worked with 2 processes but not 4. How do I go about
resolving that? Is there a problem with the build settings of my executable?
C:\mpi\exe>mpirun -np 2 -host 10.244.166.37,10.243.1.134 MPIHello.exe
connecting to 10.243.1.134
username:greenbutton
password:*********
Save Credential?(Y/N) n
WE have 2 processors
Hello 1 Processor 1 at node AMAZONA-BMCKVD6 reporting for duty
(works - output from rank 1)
C:\mpi\exe>
C:\mpi\exe>mpirun -np 4 -host 10.244.166.37,10.243.1.134 MPIHello.exe
connecting to 10.243.1.134
username:greenbutton
password:*********
Save Credential?(Y/N) n
WE have 4 processors
(hangs - no output from ranks 1,2 or 3)
Please assist.
Regards,
Peter
From: Shiqing Fan [mailto:f...@hlrs.de]
Sent: Friday, 22 June 2012 8:11 p.m.
To: Open MPI Users
Cc: Peter Soukalopoulos
Subject: Re: [OMPI users] Mpiexec hanging when running "hello world" on 2
EC2 windows instances
Hi Peter,
The Open MPI potentially uses WMI to launch remote processes, so the WMI has
to be configured correctly. There are two links talking about how to set it
up in README.WINDOWS file:
http://msdn.microsoft.com/en-us/library/aa393266(VS.85).aspx
http://community.spiceworks.com/topic/578
For testing whether it works or not, you can use following command:
wmic /node:remote_node_ip process call create notepad.exe
then log onto the other Windows, check in the task manager if the
notepad.exe process is created (don't forget to delete it afterwards).
If that works, this command will also work:
mpirun -np 2 -host host1 host2 notepad.exe
Please try to run the above two test commands, if they all works you
application should also work. Just let me know if you have any question or
trouble with that.
Shiqing
On 2012-06-22 7:00 AM, Peter Soukalopoulos wrote:
I am a new comer to Open MPI.
I have spent the last day trying to diagnose why a "hello world" MPI
application compiled with OpenMPI v1.6.1 (64 bit) hangs when run on two EC2
Windows instances. I note they are running on different subnets so I'm using
the mca btl_tcp_if_include 10.0.0.0/8 parameter. My two hosts are
10.242.73.81,10.116.114.238. I've placed the executable in the same path on
both machines.
Diagnostic info requested is attached along with sample application source.
When I run two processes on one instance - the command succeeds:
C:\mpi\exe>mpiexec -n 2 -host 10.242.73.81 --mca btl_tcp_if_include
10.0.0.0/8 MPIHello.exe
WE have 2 processors
Hello 1 Processor 1 at node AMAZONA-BMCKVD6 reporting for duty
When I run across two hosts, the executable is launched on both instances
but the process hangs:
C:\mpi\exe>mpiexec -n 4 -host 10.242.73.81,10.116.114.238 --mca
btl_tcp_if_include 10.0.0.0/8 MPIHello.exe
connecting to 10.116.114.238
username:greenbutton
password:*********
Save Credential?(Y/N) n
WE have 4 processors
Re-running with debug:
C:\mpi\exe>mpiexec -n 4 -host 10.242.73.81,10.116.114.238 -d --mca
btl_tcp_if_include 10.0.0.0/8 MPIHello.exe
[AMAZONA-BMCKVD6:01240] procdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\0\0
[AMAZONA-BMCKVD6:01240] jobdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\0
[AMAZONA-BMCKVD6:01240] top: openmpi-sessions-greenbutton@AMAZONA-BMCKVD6_0
[AMAZONA-BMCKVD6:01240] tmp: C:\Users\GREENB~1\AppData\Local\Temp\2
[AMAZONA-BMCKVD6:01240] mpiexec: reset PATH: C:\Program Files
(x86)\OpenMPI_v1.6-x64\bin;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\Sy
stem32\WindowsPowerShell\v1.0\;
[AMAZONA-BMCKVD6:01240] mpiexec: reset LD_LIBRARY_PATH: C:\Program Files
(x86)\OpenMPI_v1.6-x64\lib
connecting to 10.116.114.238
username:greenbutton
password:*********
Save Credential?(Y/N) n
[AMAZONA-BMCKVD6:02728] procdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\1\0
[AMAZONA-BMCKVD6:02728] jobdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\1
[AMAZONA-BMCKVD6:02728] top: openmpi-sessions-greenbutton@AMAZONA-BMCKVD6_0
[AMAZONA-BMCKVD6:02728] tmp: C:\Users\GREENB~1\AppData\Local\Temp\2
[AMAZONA-BMCKVD6:02728] [[63746,1],0] node[0].name AMAZONA-BMCKVD6 daemon 0
[AMAZONA-BMCKVD6:02728] [[63746,1],0] node[1].name 10 daemon 1
[AMAZONA-BMCKVD6:01500] procdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\1\2
[AMAZONA-BMCKVD6:01500] jobdir:
C:\Users\GREENB~1\AppData\Local\Temp\2\openmpi-sessions-greenbutton@AMAZONA-
BMCKVD6_0\63746\1
[AMAZONA-BMCKVD6:01500] top: openmpi-sessions-greenbutton@AMAZONA-BMCKVD6_0
[AMAZONA-BMCKVD6:01500] tmp: C:\Users\GREENB~1\AppData\Local\Temp\2
[AMAZONA-BMCKVD6:01500] [[63746,1],2] node[0].name AMAZONA-BMCKVD6 daemon 0
[AMAZONA-BMCKVD6:01500] [[63746,1],2] node[1].name 10 daemon 1
WE have 4 processors
I'd appreciate any guidance to getting this example to run on two instances
on disparate subnets on Windows Server 2008 R2.
Thanks in advance for your help.
Regards,
Peter
Peter Soukalopoulos
Development Team Leader | GreenButton Limited | www.greenbutton.com
<http://www.greenbutton.com/>
Level 13, Simpl House, 40 Mercer Street, Wellington, New Zealand
Mobile: +64 22 632 5023| peter.soukalopou...@greenbutton.com | Skype:
psoukal | HQ: +644 499 0424
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---------------------------------------------------------------
Shiqing Fan
High Performance Computing Center Stuttgart (HLRS)
Tel: ++49(0)711-685-87234 Nobelstrasse 19
Fax: ++49(0)711-685-65832 70569 Stuttgart
http://www.hlrs.de/organization/people/shiqing-fan/
email: f...@hlrs.de
