Shared diskspace between nodes

Velocet math at velocet.ca
Mon Jan 7 15:35:35 EST 2002


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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-- 
Ken Chase, math at velocet.ca  *  Velocet Communications Inc.  *  Toronto, CANADA 
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