Michael Madigan wrote:
> What's ridiculous is that many of these office
> buildings don't allow a window to be opened.
> 
> We had a room of about 150 computers in racks and
> couldn't open a window in winter.  Instead we had to
> run portable air conditioners to cool the room.  So it
> was 90 inside, 20 outside and we couldn't just open
> the window to expel the heat.

I toured the local University's Beowulf cluster a couple of weeks ago, 
and the guy in charge had an 'interesting' story about how they 
discovered that one of the temperature sensors in the room (there are 
four SUV-sized air conditioners in the room) was bad. A/C broke down on 
the first day the outside hit 90 and the sensor didn't detect it, so the 
machines kept running. The room baked within minutes.

When they got into the room, they couldn't even touch the handle for the 
main power feed; it was so hot.

All because of a thousand or so blade servers. :)

Whil



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