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Quoting Tom Potts <tompotts@xxxxxxxxxxxxxxxxxxxx>: > On Sunday 21 October 2007 21:49, Richard Brown wrote: > >> I have 20 off p3's 700mhz. I assumed that if we linked 10 together in >> a cluster we would have a super-computer that we could run a network >> off. i.e. the cluster would be a server to lend power to the other 10 >> in the network. I didn't fully appreciate what a cluster was. >> >> So the first question is what is a cluster? What is the point to it >> and why isn't it a server like I wanted? > The link Rob provided in the follow up e-mail gives a reasonable description > of clustering options. > While we were on the topic I was wondering if anyone knows anything about > asymmetric clustering? > Symmetric clustering involves collections of more or less identical machines. > I've been trying to find out if anyone is working on asymmetric clustering > with no real success. > The idea being as follows: > In an organisation it would seem sensible to provide as near 24/7/366 cover > where possible. High availability clustering would do this until its upgrade > time. The current setups seem to require a whole batch of near identical > machines - you can add more to the current cluster but after a couple of > years you cant normally find the same product so you have to upgrade. > I'd like to just be able to get in a new machine, stick it on the > network, lob > in a CD and type in a couple of names and passwords and have this machine > become a useful part of the cluster. > There seems to be some research in this area but I've not found a > distribution > that attempts to achieve it. > I'd love to give it a go - set up a hole bunch of different machines for a HA > cluster and then shoot one to show it still works - might make great UTUBE! > Tom te tom te tom > That would be cool, connecting up something like a 386 with a couple of P4, Athlon, Pentium 166 and 486 machines. Take it that would work a bit like Folding @ Home or Seti with each client (of different spec) working on portions of data? Rob -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html