[98161] in North American Network Operators' Group
Re: San Francisco Power Outage
daemon@ATHENA.MIT.EDU (David Lesher)
Wed Jul 25 10:42:44 2007
X-Original-To: wb8foz@panix.com
From: David Lesher <wb8foz@nrk.com>
To: nanog@merit.edu (nanog list)
Date: Wed, 25 Jul 2007 07:58:30 -0400 (EDT)
In-Reply-To: <200707250039.l6P0dZ9Z018350@kw.retro.com> from "George William Herbert" at Jul 24, 2007 05:39:34 PM
Reply-To: wb8foz@nrk.com
Errors-To: owner-nanog@merit.edu
Speaking on Deep Background, the Press Secretary whispered:
> Level 4 datacenters can, and will, fail. Nothing you can
> do including just doing 48V DC for everything are truly
> foolproof solutions.
Hard to find anyone who takes the -48vdc mantra to heart more
than an RBOC. Ditto on lightning protection.
Yet I recall the Bell South 305-255 CO taking a lightning hit on
the incoming power; the 5ESS was down for 3-4 hours.
--
A host is a host from coast to coast.................wb8foz@nrk.com
& no one will talk to a host that's close........[v].(301) 56-LINUX
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433