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<div><div dir="ltr"><p class="ecxMsoNormal"><span class="ecxapple-style-span"><span lang="EN-GB" style="font-size:11.5pt">Hi
Pavan</span></span><span lang="EN-GB"></span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">I thought I answered your email,...
anyway, I'm doing to much things at the same time ;-)</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">Yes, all machines can communicate to each
others.</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">Attached, you have the output of the
commands "configure", "make" and "make install"
for users "mpi" and "root".</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">I sent to your personal email "</span><span class="ecxapple-style-span"><span lang="EN-GB" style="font-size:10.5pt;font-family:"Segoe UI";color:#2A2A2A;background:#F3F7FD">balaji@mcs.anl.gov"</span></span><span lang="EN-GB" style="font-size:11.5pt"> one document with the configuration I am using. Maybe you can find
the thing I am doing wrong.</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">Thanks for your time</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB" style="font-size:11.5pt">Miguel Angel</span></p>
<p class="ecxMsoNormal"><span lang="EN-GB"> </span></p>
<p class="ecxMsoNormal"><span lang="EN-GB"> </span></p><div><br></div><div><br><div>> Date: Thu, 3 Nov 2011 18:40:24 -0500<br>> From: balaji@mcs.anl.gov<br>> To: mpich-discuss@mcs.anl.gov<br>> CC: mafga74@hotmail.com<br>> Subject: Re: [mpich-discuss] MPID_nem_tcp_connpoll(1826): Communication error with rank 0: Connection refused<br>> <br>> Hi,<br>> <br>> You never responded to the previous email I sent:<br>> <br>> Is every machine able to connect to every other machine (not just mpi0<br>> to every other machine)?<br>> <br>> Btw, Hydra doesn't need any additional password like mpd, but you need <br>> to make sure that you can ssh to every machine and that every machine <br>> can connect to every other machine.<br>> <br>> -- Pavan<br>> <br>> On 11/03/2011 02:53 AM, Miguel Angel Fernández wrote:<br>> > Hello again<br>> ><br>> > I'm still trying to fix the problem I told you days ago.<br>> > I configured all cluster machines for executing mpiexec as root on any<br>> > cases and the problem is the same.<br>> > Is it necesary to configure a password for hydra as I had to do for mpd?<br>> ><br>> > Thank you in advance<br>> > Miguel Ángel<br>> ><br>> > > From: thakur@mcs.anl.gov<br>> > > Date: Sat, 22 Oct 2011 15:30:26 -0500<br>> > > To: mpich-discuss@mcs.anl.gov<br>> > > Subject: Re: [mpich-discuss] MPID_nem_tcp_connpoll(1826):<br>> > Communication error with rank 0: Connection refused<br>> > ><br>> > > Make sure the 5 machines can communicate with each other, i.e., there<br>> > is no firewall preventing connections.<br>> > ><br>> > > Rajeev<br>> > ><br>> > > On Oct 22, 2011, at 12:36 PM, Miguel Angel Fernández wrote:<br>> > ><br>> > > > Hello everybody<br>> > > ><br>> > > > I'm trying to fix a problem that appear when I execute one of the<br>> > mpich2 program examples.<br>> > > > As you can see, if I execute a normal command there are no<br>> > problems. The cluster work properly.<br>> > > ><br>> > > > mpi@mpi0:~$ mpiexec -f ./mpich2-install/machinefile -n 5 hostname<br>> > > > mpi0<br>> > > > mpi2<br>> > > > mpi3<br>> > > > mpi1<br>> > > > mpi4<br>> > > > mpi@mpi0:~$<br>> > > ><br>> > > > but when I try to execute the program, the results are something<br>> > like this<br>> > > ><br>> > > > mpi@mpi0:~$ mpiexec -f ./mpich2-install/machinefile -n 5<br>> > /home/mpi/mpich2-install/workspace/Prueba/Debug/Prueba<br>> > > > Hello MPI World the original.<br>> > > > Hello MPI World the original.<br>> > > > Hello MPI World the original.<br>> > > > Hello MPI World the original.<br>> > > > Hello MPI World the original.<br>> > > > From process 0: Num processes: 5<br>> > > > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > > > MPI_Send(173)..............: MPI_Send(buf=0xbfcbe268, count=26,<br>> > MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > > > MPID_nem_tcp_connpoll(1826): Communication error with rank 0:<br>> > Connection refused<br>> > > > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > > > MPI_Send(173)..............: MPI_Send(buf=0xbfb32ca8, count=26,<br>> > MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > > > MPID_nem_tcp_connpoll(1826): Communication error with rank 0:<br>> > Connection refused<br>> > > > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > > > MPI_Send(173)..............: MPI_Send(buf=0xbfa49e98, count=26,<br>> > MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > > > MPID_nem_tcp_connpoll(1826): Communication error with rank 0:<br>> > Connection refused<br>> > > > Fatal error in MPI_Send: Other MPI error, error stack:<br>> > > > MPI_Send(173)..............: MPI_Send(buf=0xbfa57538, count=26,<br>> > MPI_CHAR, dest=0, tag=0, MPI_COMM_WORLD) failed<br>> > > > MPID_nem_tcp_connpoll(1826): Communication error with rank 0:<br>> > Connection refused<br>> > > ><br>> > > > Do you have any idea what can be the problem?<br>> > > ><br>> > > > Thank you in advance<br>> > > > Miguel Angel<br>> > > ><br>> > > > _______________________________________________<br>> > > > mpich-discuss mailing list mpich-discuss@mcs.anl.gov<br>> > > > To manage subscription options or unsubscribe:<br>> > > > https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss<br>> > ><br>> > > _______________________________________________<br>> > > mpich-discuss mailing list mpich-discuss@mcs.anl.gov<br>> > > To manage subscription options or unsubscribe:<br>> > > https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss<br>> ><br>> ><br>> > _______________________________________________<br>> > mpich-discuss mailing list mpich-discuss@mcs.anl.gov<br>> > To manage subscription options or unsubscribe:<br>> > https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss<br>> <br>> -- <br>> Pavan Balaji<br>> http://www.mcs.anl.gov/~balaji<br></div></div> </div></div> </div></body>
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