diskless nodes? (was Re: Xbox clusters?)

Velocet math at velocet.ca
Thu Dec 6 00:13:49 EST 2001


On Thu, Dec 06, 2001 at 12:00:20AM -0500, Stepan Kruglikov's all...
> Hello,
> 
> Good question. Could you briefly describe how one configures swap over the
> network in Scyld?

Im not quite sure what scyld is exactly yet. People talk about it so
often I spose I should bone up.

Is it a full os or somethign? I'd suspect if its just a cluster management
suite that you do regular old linux/unix stuff and whatever specific setup
for swapping over the network is required.

Im only familiar with FreeBSD's efforts on that however, and that seems
to be a relatively uncommon cluster platform here (for no good reason! :)

/kc

> 
> Thank you
> 
> Stepan
> ----- Original Message -----
> From: "Velocet" <math at velocet.ca>
> To: <beowulf at beowulf.org>
> Sent: Wednesday, December 05, 2001 11:10 PM
> Subject: diskless nodes? (was Re: Xbox clusters?)
> 
> 
> > On Wed, Dec 05, 2001 at 03:40:01PM -0800, Brian LaMere's all...
> > > I spent less than $100,000 on a 48 node dual-1ghz p3 cluster with 2gb
> ram
> > > each, and hot-swappable 18gb 15krpm drives (all in a 1-U rackmounted
> > > footprint!).  Of course, I cheated at the time (VA linux firesale)...but
> I
> > > could do the same thing again for about $125,000 in today's prices with
> > > systems that someone else builds, and has a year warranty.
> > >
> > > advancedclustering.com, for instance.  For $2537, you get dual p3- 1ghz
> cpu,
> > > 18gb 10krpm hotswap scsi, and 2 gb ram.  All in a 1-U package, all with
> a 1
> > > year warranty.  Extended warranties available.
> >
> > Wondering why everyone gets local drives here - do you people have
> > computational software that needs to write scratch or swap faster than
> > 100Mbps (12.5MB/s) or even GBE (125MB/s theoretical, 35-50MB/s actual)?
> Isnt
> > that fast enough?
> >
> > Why arent diskless netbooting clusters more popular?
> >
> > /kc
> > _______________________________________________
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> 

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