[iyonix-support] Re: Power problems.

In article <4f49910a26Martin@xxxxxxxxxxxxxxxxxx>,
   Martin <Martin@xxxxxxxxxxxxxxxxxx> wrote:
> On 29 Nov, in article <8ded81494f.davehigton@xxxxxxxxxxxxx>,
>    Dave Higton <davehigton@xxxxxxxxxxxxx> wrote:

> [Snip]

> > The UPS paradox is that it is an extra point of failure in
> > your computing system.

> I was once involved with a very expensive mainframe computer, that had
> duplexed everything (cpu, memory, discs, disc controllers, network
> controllers, UPS, etc) so it would never go down ... until there was a
> fire in the switch (a bloody large one!) which enabled either UPS to be
> switched to either CPU ... ooops!

> The Directors had to be informed before it had been down for 15 minutes...

and, of course, there was BBC tv Centre.  Three feeds of power, including
an emergency one direct from Battersea Power Station.    Then the power
board at Battersea failed - on BBC2's opening night.

-- 
From KT24 - in "Leafy Surrey"

Using a RISC OS computer running v5.11 

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