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DateTue, 28 Apr 1998 11:01:08 -0400
FromPierre Phaneuf <>
SubjectRe: Clustering on Linux Was: "Re: New dad (again).."
Sebastian Taralunga wrote:

> A friend of mine working for Microsoft is asking me (and I quote):
>
> || BTW: does Linux know about clusters? As far as I know, no.
> || NT5 knows already and this makes it less prone to attacks..
>
> Which proves that indeed what they understand by "clustering". But what
> really is clustering, and does linux support it?

There is a few things that can be called "clusters". What *I* call a
cluster is a thing like Beowulf systems
(http://cesdis.gsfc.nasa.gov/linux/beowulf/). Those things pool
computing power to complete large and complex calculations. Beowulf is
the name of a system based on Linux. One of the newest large Beowulf
cluster around, Avalon (http://cnls.lanl.gov/avalon/), made with 68 DEC
Alpha's, capable of 19.3 GigaFLOPS!

Another form of clustering is one of redundancy. You have for example 10
web servers serving the same URLs with load-balancing between them, for
additional client capacity and better reliability (as a few defective
nodes will only lessen performance).

Microsoft has something called Wolfpack, that I don't even know what it
does exactly.

--
Pierre Phaneuf
Web: http://newsfeed.sx.nec.com/~ynecpip/
finger: ynecpip@newsfeed.sx.nec.com

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