SCO.com and Caldera.com dead

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Wed Sep 3 20:10:42 UTC 2003


On Wed, Sep 03, 2003 at 12:01:12AM -0400, Michael wrote:
> You know this sounds more like science fiction or some project on
> computer history, conceive a machine that would continue to work for
> 17 years without fail. There was a machine once, I think it was
> called the Tandem Guardian (sorry this is before my time so the
> spelling is probably wrong) it had hot-swappable everything, even
> CPUs, there were at least two chips in each machine, running in lock
> step to ensure that if one failed the system could keep running. Then
> the first year of operations, daylight savings rolled around, there
> was a bug in the OS and the machines crashed starting in the far East
> and time-zone by time-zone every single Guardian crashed everywhere.

Yeah the Tandem's were bought by HP some years ago and are not HP
NonStop series.  Supposedly something like 95% of ATM transactions (bank
stuff) runs on those systems, as well as phone system billing and such.
They are systems for when failure is not an option.

Lennart Sorensen
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