nanog mailing list archives

Re: Effects of Cold Front on Internet Infrastructure - U.S. Midwest


From: Tom Beecher <beecher () beecher cc>
Date: Wed, 30 Jan 2019 13:10:11 -0500

Well said. The electrical load shifts, hydraulic systems, airflows
constrained by ice cover, etc, etc, etc. All kinds of things being asked to
do stuff outside or at the edge of specifications.

Hug your local facilities guys when these things happen. (Or bring them
booze.)

On Wed, Jan 30, 2019 at 12:58 PM Naslund, Steve <SNaslund () medline com>
wrote:

And apparently fire. I wasn’t going to chime in but one of my >providers
*just* alerted us to an electrical fire in a Minneapolis pop >causing
loads to failover to ups. Unknown whether weather >conditions contributed
to the incident.



Yes, in Chicago we will see an increase in home fires because heating
systems are being pushed to their limits and people tend to do stupid
things like run unattended space heaters and try to thaw frozen stuff in
crazy ways.  In a datacenter you might be pushing electrical loads while
external electrical components are stressed with temperature.  I have seen
transformer fires caused by the oil inside not circulating correctly.  You
end up with hot and cold zones in them.



Steven Naslund

Chicago IL



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