[Beowulf] Re: [Bioclusters] Re: Login & home directory strategies for PVM? (fwd from mgutteri at fhcrc.org)

Eugen Leitl eugen at leitl.org
Fri Feb 25 15:42:41 EST 2005


----- Forwarded message from Michael Gutteridge <mgutteri at fhcrc.org> -----

From: Michael Gutteridge <mgutteri at fhcrc.org>
Date: Fri, 25 Feb 2005 11:51:56 -0800
To: "Clustering,  compute farming & distributed computing in life science informatics" <bioclusters at bioinformatics.org>
Subject: Re: [Bioclusters] Re: Login & home directory strategies for PVM?
X-Mailer: Apple Mail (2.619.2)
Reply-To: "Clustering,  compute farming & distributed computing in life science informatics" <bioclusters at bioinformatics.org>


Thanks... been thinking about local homes vs. pvfs since I don't really 
need anything but .bashrc.  However, managing local home directores on 
62+ nodes gets boring after a while...  I rather prefer the idea of 
running pvm as you indicate, but I haven't had any luck finding out how 
to do this- do you have a pointer to something that describes that?  I 
can't even pull together a good google term to find out how that's 
typically done.

I will very likely end up using pvfs for database directories if I can 
make it robust enough, though.  Sounds like pvfs2 has some great 
improvements in that area.

>Lastly, you can port to mpich on a bproc system like Scyld, and get 
>rid of
>pvmd's altogether.

From my conversations with the developers, sounds like a port to MPI is 
underway.

Thanks ...


On Feb 24, 2005, at 11:05 AM, Michael Will wrote:

>Just statically mount /home rather than doing automounting of 
>individual homes,
>and you are fine.  Also you could run the pvmd's as a user that does 
>not require
>or have an nfs-mounted home but uses local scratch instead.
>
>Lastly, you can port to mpich on a bproc system like Scyld, and get 
>rid of
>pvmd's altogether.
>
>Michael

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