Shared diskspace between nodes

Pedro Díaz Jiménez pdiaz88 at terra.es
Mon Jan 7 17:12:10 EST 2002


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I've tried it...worked fine for  trivial operations, but under heavy use was 
prone to locks...that was some time ago (maybe 6 months), so it could be 
better now

Cheers
Pedro

On Monday 07 January 2002 20:35, Velocet wrote:
> On Mon, Jan 07, 2002 at 02:36:42PM -0500, Jon E. Mitchiner's all...
>
> > Greetings!
> >
> > I presently run a 40-node cluster, Dual 1GHz with 20GB hard drive on each
> > system.  This gives me roughly 15GB (safe estimate) after the OS,
> > installed programs, some data, etc on each machine.  This gives me
> > roughly 600GB of space that I am not currently utilizing on 40 nodes.
> >
> > Right now, we are saving data on various nodes, and moving it around when
> > space gets tight on a machine.  This is getting time consuming as some of
> > us have to look on different nodes to find out where your data is
> > currently residing.  I am considering saving all directory names in a
> > database and then making a GUI interface via the web so its easy to find
> > the location of data directories, rather than looking for it (especially
> > if someone moved my directory to another machine without letting me
> > know).
> >
> > I am curious if there is a program out there that might be able to
> > utilize the space that we are not utilizing -- such as linking the file
> > space between nodes so that way I can set up a "large" data partition
> > sharable by all nodes.  Some redunancy would be nice.  Im curious if
> > there is a software solution (either GPL licensed, or commercial) to
> > utilize the space better.
> >
> > Optimally, it would be nice to see all "shared" drives as one large
> > partition to be mounted to all nodes and all the data is handled by a
> > daemon or something like that.
> >
> > Does anyone have any ideas, suggestions, or programs that might be able
> > to do something similar?
>
> raid 5 over nbd! :)
>
> not sure how practical that is, but it works in theory.
>
> /kc
>
> > Thanks!
> >
> > Regards,
> >
> > Jon E. Mitchiner
> > Minotaur Technologies
> > http://www.minotaur.com
> > AOL IM [http://www.aol.com/aim] MinotaurT
> >
> >
> >
> >
> > _______________________________________________
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/*
 * Pedro Diaz Jimenez: pdiaz88 at terra.es, pdiaz at acm.asoc.fi.upm.es 
 * http://acm.asoc.fi.upm.es/~pdiaz
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