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You may want to go read "In search of clusters" before you continue this too much further. I think it's very informative. For Microsoft Clustering information (Microsoft Cluster Service) see http://www.microsoft.com/windows. For further discussions of shared nothing and clustering in general look at http://research.microsoft.com/~gray.
-- Richard Waymire, MCT, MCSE+I, MCSD, MCDBA "Ivana Humpalot" <ivana_humpalot_at_nospam.com> wrote in message news:Ig395.30532$i5.329638_at_news1.frmt1.sfba.home.com...Received on Thu Jul 06 2000 - 00:00:00 CDT
> "Blair Kenneth Adamache" <adamache_at_ca.ibm.com> wrote:
> >
> > Mutual takeover uses machines doing other work to back each other
> > up. After a failure, performance goes down (11 machines are doing
> > work intended for 12 machines).
>
> This is not possible, to the best of my knowledge. "Shared nothing"
> means disk is not shared either. Each machine has its own disk and
> a portion of the database. If a machine dies the disk and the data
> on it become inaccessible, and you're screwed.
>
> If I am wrong, please supply technical details of how this is
> possible. I am willing to be educated.
>
>
>