What version of OSCAR are you using? What version of Linux are you running
under it? and what does 'rpm -q pvm' return?
-Sean
On Wed, Apr 10, 2002 at 09:18:07PM +0200, JOSE FRANCISCO ALVAREZ AGUILAR wrote:
>
> Hello, I've got a cluster with 4 nodes under OSCAR.
> I'm trying to run PVM using the whole cluster, but I've found some
> problems.
>
> 1. If I run a PVM program using the sample script (pbs_script.pvm) in the
> OSCAR package (using PBS), PVM only takes a node as a host, and don't use
> the other nodes.
>
> 2. If I run first a PVM console and try to add manually a host, it says:
>
>
> $ pvm
>
> pvm> add node1.oscar.eng.shu.ac.uk
> add node1.oscar.eng.shu.ac.uk
> 0 successful
> HOST DTID
> node1.oscar.eng.shu.ac.uk Can't start pvmd
>
> Auto-Diagnosing Failed Hosts...
> node1.oscar.eng.shu.ac.uk...
> Verifying Local Path to "rsh"...
>
> Error - File /usr/bin/rsh Not Found!
> Use "whereis rsh" or "which rsh" to determine
> where "rsh" is on your system and modify the
> $PVM_ROOT/conf/$PVM_ARCH.def configuration file
> to adjust the path for the -DRSHCOMMAND=\"\"
> flag. Then recompile PVM and your applications.
>
> Why this message if it's supossed that PVM uses ssh under OSCAR?
>
> 3. I've tried run PVM manually, with the daemon and an "input_file" like
> this:
>
> * ep=/home/engjfaa/my_oscar_test/hello
> #this line doesn't exist.There's only a space between "hello" and "wd"
> wd=/home/engjfaa/my_oscar_test/hello
>
> node4.oscar.eng.shu.ac.uk
> node3.oscar.eng.shu.ac.uk
> node2.oscar.eng.shu.ac.uk
> node1.oscar.eng.shu.ac.uk
>
>
> and then I just type:
>
> $ pvmd in_file &
>
> but when I run the PVM program, it only uses the server or the node from
> I'm running the program.
>
> 4. I've tried to add hosts using the dynamic configuration that PVM offers
> with the "pvm_addhosts()" function. But it returns "0", that is, no host
> added.
>
>
> So, where is the problem?
> When I'm running a PVM program, there is only one host and then OSCAR
> distribute the job??
> Why can't I use the nodes??
>
> If someone can help me, please help me the sooner the better.
>
> Thank you very much.
>
> Jose Francisco Alvarez Aguilar
>
>
> _______________________________________________
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> [EMAIL PROTECTED]
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--
_______________________________________________________________________
Sean Dague [EMAIL PROTECTED] http://dague.net/sean
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