Server room power engineering
math at velocet.ca
Tue Oct 15 17:16:15 PDT 2002
On Tue, Oct 15, 2002 at 01:55:38PM -0400, Joseph Mack's all...
> "Robert G. Brown" wrote:
> > Dear Listvolken:
> a few years ago, at the place I worked, all the machines
> were behind a UPS and the whole floor went out one day. We found that
> the UPS had been setup to drop power to all the downstream
> boxes, when its feed died.
> The explanation we got was that it had been
> setup that way so we'd know that the power had failed,
> otherwise all the machines would be running on the UPS
> without any input power and we'd be living with a
> false sense of security.
How do you get a false sense of security when the klaxons are ringing
so loud you cant even hear yourself think?
At least thats how ours works.
> Joseph Mack PhD, Senior Systems Engineer, SAIC contractor
> to the National Environmental Supercomputer Center,
> mailto:mack.joseph at epa.gov ph# 919-541-0007, RTP, NC, USA
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Ken Chase, math at velocet.ca * Velocet Communications Inc. * Toronto, CANADA
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