[LINK] Green web servers with netbook components

Tom Koltai tomk at unwired.com.au
Wed May 20 00:08:26 EST 2009



> -----Original Message-----
> From: link-bounces at mailman1.anu.edu.au 
> [mailto:link-bounces at mailman1.anu.edu.au] On Behalf Of Adrian Chadd
> Sent: Tuesday, 19 May 2009 11:37 PM
> To: Bernard Robertson-Dunn
> Cc: link
> Subject: Re: [LINK] Green web servers with netbook components
> 
> 
> On Tue, May 19, 2009, Bernard Robertson-Dunn wrote:
> 
> > My experience of servers in data centres is that reliability and
> > availability are very important, hence redundant power 
> supplies, network 
> > connections, SAN connections and separate networks for 
> management and 
> > back-up.
> > 
> > PCs and PC motherboards don't really fit into this infrastructure 
> > model.
> 
> Only because the infrastructure model that almost all 
> companies these days are believing is what came out of the 
> microcomputer industry and NOT what has come out of the 
> mainframe computer industry.
> 
> Funny, really...

Actually, Adrian has a point.
Nano CPU's can be bonded for additioanl load.

Mercedes make a Deisel that turns off cylinders not in use.

It makes sense to devise a server that is capable of doing the same
thing.
Interesting - Bernard claims multiple cpu's are required for redundancy
and load, and Adrian claims that a server with multiple cards with CPU's
being turned on by demand is a more efficient model.

>From my CCI (Harris Scarfe) mini computer days (1985-86), I vote for
Adrians idea. Smaller CPU's load sharing as demand increases; and one
owould think, the individual CPU's can be selected to replace failed
cards so redundancy is built in.
That was pretty much the ICL DRS 300 SCSI (1990) backplane approach - it
worked - well. Small paralell independent processor units that could
load share tasks.

An interesting option  - methinks.


Tom









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