SCO.com and Caldera.com dead

[cbbrowne-HInyCGIudOg at public.gmane.org]

Warren wrote:
> >I know I am young, but frankly I just don't see how a machine could
> >last 17 years without some serious work on the hardware. (To say
> >nothing of kernel patches... Oh I know, have a box, leave it in a
> >corner, plug it into a diesel generator and don't plug it into any
> >network, leave it alone forever.)
> >
> 
> To say nothing of:
> (a) MTBPF (Mean Time between Power failures)
> (b) MTBBBF (Mean Time between Battery Backup Unit failures)
> 
> How does one make a UPS Lead Acid battery that can last 17 years without 
> changing it out? Did they have hot-swappable dual power supplies with 
> separate UPS's on the IBM 80286 AT boxen they installed SCO Unix on 17 
> years ago?

That part is not _too_ hard...

You have three power supplies, each attached to its own UPS.

Having disk drives and fans last would be the _real_ problem.  We just
got a Dell server in at work that shows the way on the fan side of it;
it has two pullout slides that each contain three fans.  If a fan
"blows" (well, _stops_ blowing...), you can slide the array of fans out
and replace the offending one.

Not that this helps with Xenix on a truly ancient 286...
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