Thanks for all of you! I finally get it work now. The solution is to disable the firewall on the fc5 machine. It just blocks the mpi communication.<br><br><b><i>Michael Edwards <miedward@gmail.com></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> So you have the two computers connected with a cross-over ethernet<br>cable? If you used a regular cable, strange things could happen,<br>though I would expect nothing to work in that case...<br><br>Are both machines set up with a static IP or is one of the machines<br>acting as a DNS server? Are both machines allowing incoming traffic<br>on that port (ie, not blocked by firewall)? Check /etc/hosts and make<br>sure both machines know about the other?<br><br>There are lots and lots of reasons you would get a "no route to host"<br>message, these are just some offhand thoughts.<br><br>On 9/17/06, ying xu <xuying_pro@yahoo.com> wrote:<br>>
Hello:<br>> I installed mpich2 on a ubuntu 6.06 machine, then share the install<br>> directory with a FC5 machine by using NFS. These two machines were connected<br>> to each other directly by a cable. The ubuntu machine is connected to a<br>> router which connects to internet.<br>><br>> My problem is that "when I 'mpdcheck -s' on ubuntu machine, "mpdcheck -c<br>> ubuntu-machine port " on FC5 succeed. But I can't do it reversely. I mean<br>> "when I 'mpdcheck -s' on FC5 machine, "mpdcheck -c fc5 port" failed with the<br>> following error:<br>> --------------------------------------------------------------------------------------------<br>> Traceback (most recent call last):<br>> File "/home/xuying/mpich2-install/bin/mpdcheck", line<br>> 103, in ?<br>> sock.connect((argv[argidx+1],int(argv[argidx+2]))) # note<br>> double parens<br>> File "<string>", line 1, in connect<br>> socket.error: (113, 'No route to
host')<br>> --------------------------------------------------------------------------------------------<br>><br>> please help!<br>><br>> ---------------------------------------------------------------------------------------------<br>><br>><br>><br>><br>><br>> ________________________________<br>> All-new Yahoo! Mail - Fire up a more powerful email and get things done<br>> faster.<br>><br>><br>> _______________________________________________<br>> Bioclusters maillist - Bioclusters@bioinformatics.org<br>> https://bioinformatics.org/mailman/listinfo/bioclusters<br>><br>><br>><br>_______________________________________________<br>Bioclusters maillist - Bioclusters@bioinformatics.org<br>https://bioinformatics.org/mailman/listinfo/bioclusters<br></string></xuying_pro@yahoo.com></blockquote><br><p> 
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