[116878] in North American Network Operators' Group
Re: Data Center testing
daemon@ATHENA.MIT.EDU (Seth Mattinen)
Mon Aug 24 18:41:02 2009
Date: Mon, 24 Aug 2009 15:40:42 -0700
From: Seth Mattinen <sethm@rollernet.us>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <D338D1613B32624285BB321A5CF3DB250CED2D0FC0@ginga.ai.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Deepak Jain wrote:
> Thanks for the kind words Ken.
>
> Power failure testing and network testing are very different disciplines.
>
> We operate from the point of view that if a failure occurs because we have scheduled testing, it is far better since we have the resources on-site to address it (as opposed to an unplanned event during a hurricane). Not everyone has this philosophy.
>
> This is one of the reasons we do monthly or bimonthly, full live load transfer tests on power at every facility we own and control during the morning hours (~10:00am local time on a weekday, run on gensets for up to two hours). Of course there is sufficient staff and contingency planning on-site to handle almost anything that comes up. The goal is to have a measurable "good" outcome at our highest reasonable load levels [temperature, data load, etc].
>
At least once a year I like to go out and kick the service entrance
breaker to give the whole enchilada an honest to $diety plugs out test.
As you said, not recommenced if you don't maintain stuff, but that's how
confident I feel that my system works.
~Seth
