[mpich-discuss] Error while connecting to host

Jayesh Krishna jayesh at mcs.anl.gov
Fri Feb 11 10:54:21 CST 2011


Hi,
 Can you explain the second command that you run to launch your worker (Does the worker program accept "-hosts" "-noprompt" etc options ? )? Did you intend to run "mpiexec -hosts 1 localhost 1 -noprompt c:\worker.exe" ?
 How does the worker connect/interact with the manager ?

Regards,
Jayesh

----- Original Message -----
From: "Manjunatha" <manjunathas at nous.soft.net>
To: "Jayesh Krishna" <jayesh at mcs.anl.gov>, mpich-discuss at mcs.anl.gov
Sent: Friday, February 11, 2011 7:52:41 AM
Subject: RE: [mpich-discuss] Error while connecting to host

HI Jayesh,

My window system is a dual processor and hence I am trying to run MPI on both the processor.

I did it successfully few months back. Now it is causing the problem... I have not changed the system configuration till then.. so I confused with what is wrong with this now..

I have used following command to run;

mpiexec    -hosts 1 localhost 1 -noprompt myprog.exe
c:\worker  -hosts 1 localhost 1 -noprompt myprog.exe

1st line command is to execute on a manger node
2nd line command is to execute on a worker node

saved both the commands in a text file then read it.

Best regards,
Manju

-----Original Message-----
From: Jayesh Krishna [mailto:jayesh at mcs.anl.gov]
Sent: Friday, February 11, 2011 7:01 PM
To: mpich-discuss at mcs.anl.gov
Cc: Manjunatha Shivaiah
Subject: Re: [mpich-discuss] Error while connecting to host

Hi,
 What do you mean by a single system with two nodes ? Is it a Windows cluster with two nodes ? How are you running your program (Copy-paste the mpiexec command and the output in your next email)?

Regards,
Jayesh

----- Original Message -----
From: "Manjunatha" <manjunathas at nous.soft.net>
To: mpich-discuss at mcs.anl.gov
Sent: Friday, February 11, 2011 7:02:15 AM
Subject: Re: [mpich-discuss] Error while connecting to host





Hi,



Firewall disabled… but still the problem is same..



I am running MPI on windows XP



Best regards,

Manju




From: mpich-discuss-bounces at mcs.anl.gov [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Mandar Gurav
Sent: Friday, February 11, 2011 5:59 PM
To: mpich-discuss at mcs.anl.gov
Subject: Re: [mpich-discuss] Error while connecting to host



Seems that problem with firewall / SELinux...





Try using


Firewall - Disabled...


SELinux - Disabled...





I hope this will help you....





---Mandar Gurav


On Fri, Feb 11, 2011 at 5:24 PM, Manjunatha < manjunathas at nous.soft.net > wrote:



Hi,



I am getting following error messages when I try to execute my program using MPI, on single system with 2 nodes.



[01:1064]..ERROR:Error while connecting to host, No connection could be made because the target machine actively refused it. (10061)

[01:5920]..ERROR:Error while connecting to host, No connection could be made because the target machine actively refused it. (10061)



Any help to solve this error is highly appreciated.



Best regards,

Manju









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