<br>Thanks for your response<div>However, my setup is not working.</div><div><br></div><div>In my check progress.</div><div>1) I installed mpich2 on intel muti-core 2 cpu machine </div><div>2) check : /etc/hosts file</div>
<div> </div><div> 127.0.0.1 localhost.localdomain localhost</div><div> ::1 localhost6.localdomain6 localhost6</div><div><br></div><div>3) made the machinefile for mpiexec : /usr/local/mpich2/machine/machinefile</div>
<div><br></div><div> host1:6</div><div> host2:6</div><div><br></div><div>4) run : [root@francium machine]# mpiexec -n 10 -machinefile ./machinefile /usr/local/mpich2-1.3.2p1/examples/cpi</div><div> ==> I received messages as below </div>
<div><div> ssh: connect to host host1 port 22: Connection timed out</div><div> ssh: connect to host host2 port 22: Connection timed out</div></div><div><br></div><div> Question is :</div><div>1) why do I<span class="Apple-style-span" style="border-collapse: collapse; color: rgb(32, 32, 32); font-family: 'Droid Sans', arial, sans-serif; font-size: 13px; "> setup passwordless login among the two hosts? </span></div>
<div><font class="Apple-style-span" color="#202020" face="'Droid Sans', arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">2) Mpich2 was installed on the just multi-core 2 cpu machine. Why dose the mpiexec try to connect host1 and host2 using port 22 ?</span></font></div>
<div><font class="Apple-style-span" color="#202020" face="'Droid Sans', arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;">3) Is there other method for defining the machinefile on the multi-core 2 cpu machine ?</span></font></div>
<div><font class="Apple-style-span" color="#202020" face="'Droid Sans', arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font></div><div><font class="Apple-style-span" color="#202020" face="'Droid Sans', arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"> I will attach my log files.</span></font></div>
<div><font class="Apple-style-span" color="#202020" face="'Droid Sans', arial, sans-serif"><span class="Apple-style-span" style="border-collapse: collapse;"><br></span></font><div class="gmail_quote"><br></div></div>