[mpich-discuss] error in ssh

[Pavan Balaji]

Please DO NOT use MPD. Use Hydra instead: 
http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager

On 01/30/2011 12:24 PM, Eugene N wrote:
> Hello
>
> Building a cluster consists of two main steps
> 1) set up the network
> 2) set up mpi-related stuff
>
> During the 1 stage you must edit /etc/hosts to include hostname
> resolutions for all your nodes, dont forget to check etc/host.allow! and
> you should set up an ssh server on each node (passwordless)
> with authentication using public keys(quite a procedure). Oh, and you
> should have one user account (same name) on all machines.
>
> Then, before moving to stage 2, you should check whether you can ssh to
> every machine. If you can, and its ok, then write down mpd.hosts (in ~/
> on each node)
> the file should include all hostnames except the current one.
>
> Use mpdcheck, mpdtrace to troubleshoot, as written in mpich2 manual.
>
> Good luck
> Eugene
>
> 2011/1/30 sam A <sam.add007 at gmail.com <mailto:sam.add007 at gmail.com>>
>
>     Dear sir,
>        I'm student of TKIET,INDIA. My project is Cluster computing so
>     i'm using mpich1.2.4 for building cluster.We are facing problem
>     while running the program in mpich like "no route to host","trying
>     normal ssh". So we cant move further to build a cluster.So will you
>     please guide us to solve these problems..
>     Thanking you.
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji