Lab to sample Linux for weapons work

canon at nersc.gov canon at nersc.gov
Thu Sep 26 16:54:08 EDT 2002


It will probably use Lustre.  See...

http://www.lustre.org/

I know that this is what Livermore is working towards.
I have no idea what the storage targets would be though.

--Shane


> On Thu, Sep 26, 2002 at 03:49:39PM +0200, Eugen Leitl's all...
> 
> > There's a major difference compared with Livermore system, though: The Los 
> > Alamos machine has no hard drives. Instead, each computer fires up using 
> > software pulled over the network with the assistance of software called 
> > LinuxBIOS developed by LANL programmer Ron Minnich and others. LinuxBIOS 
> > also dramatically speeds the startup process to about two seconds, said 
> > Jason Lowry, Linux NetworX's product manager for cluster management tools.
> 
> And what filesystem are they using for this? Surely its not NFS!
> Must be some sort of cluster filesystem no? Anyone know? Something open
> sourced? What decent clustre filesystems are out there?
> 
> /kc
> 
> > 
> 
> > Shunning hard drives cuts cost and power consumption, but more 
> > importantly, it improves reliability, Roundy said.
> > 
> > "If you think about what things are going to fail in a system, it's the 
> > hard disk or fan or power supply or something with moving parts," Roundy 
> > said.
> > 
> > Linux NetworX could benefit greatly from convincing the Los Alamos and 
> > Livermore labs that Linux clusters are worthwhile. The labs are funded by 
> > the Energy Department's Advanced Simulation and Computing program, which 
> > has spent hundreds of millions of dollars to advance supercomputing using 
> > machines made of comparatively inexpensive components.
> > 
> > The DOE program has underwritten many of the world's fastest computers, 
> > according to university researchers who monitor raw calculation speed at 
> > the Top500 organization. The program has underwritten Nos. 2, 6, 7, 9, 11, 
> > and 15 on the most recent ranking.
> > 
> > 
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> -- 
> Ken Chase, math at velocet.ca  *  Velocet Communications Inc.  *  Toronto, CANAD
> A 
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