nanog mailing list archives
RE: HE.net, Fremont-2 outage?
From: Alex Rubenstein <alex () corp nac net>
Date: Wed, 4 Nov 2009 13:44:11 -0500
Regardless of generator sizing issues or disparities, if the ATS fails, then no amount of grid or generator power will keep the cabinets juiced up.
That is patently false. Assume N+1 UPS, with each UPS module having its own ATS fed from a utility and emergency bus. Then you can even individually maintain each UPS module and ATS. Bonus and score. And if it's a really good place, you have two of the above (2(n+1)) and each of your power cords goes to one each. "Question everything, assume nothing, discuss all, and resolve quickly." -- Alex Rubenstein, AR97, K2AHR, alex () nac net, latency, Al Reuben -- -- Net Access Corporation, 800-NET-ME-36, http://www.nac.net --
Current thread:
- Re: HE.net, Fremont-2 outage?, (continued)
- Re: HE.net, Fremont-2 outage? Valdis . Kletnieks (Nov 04)
- Re: HE.net, Fremont-2 outage? Stef Walter (Nov 03)
- Re: HE.net, Fremont-2 outage? Joe Greco (Nov 03)
- Re: HE.net, Fremont-2 outage? Tico (Nov 03)
- Re: HE.net, Fremont-2 outage? Majdi S. Abbas (Nov 03)
- Re: HE.net, Fremont-2 outage? Scott Howard (Nov 03)
- Re: HE.net, Fremont-2 outage? Joe Greco (Nov 03)
- Re: HE.net, Fremont-2 outage? David B. Peterson (Nov 03)
- Re: HE.net, Fremont-2 outage? Joe Greco (Nov 04)
- Re: HE.net, Fremont-2 outage? dan syn (Nov 04)
- RE: HE.net, Fremont-2 outage? Alex Rubenstein (Nov 04)
- Re: HE.net, Fremont-2 outage? Michael K. Smith (Nov 04)
- Re: HE.net, Fremont-2 outage? nevin (Nov 04)
- Re: HE.net, Fremont-2 outage? nevin (Nov 04)
- Re: HE.net, Fremont-2 outage? Stef Walter (Nov 04)
- Re: HE.net, Fremont-2 outage? Scott Howard (Nov 04)