[57291] in North American Network Operators' Group

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Re: Looking for advice on datacenter electrical/generator

daemon@ATHENA.MIT.EDU (Alex Rubenstein)
Wed Apr 2 18:53:03 2003

Date: Wed, 2 Apr 2003 18:49:36 -0500 (Eastern Standard Time)
From: Alex Rubenstein <alex@nac.net>
To: Richard Welty <rwelty@averillpark.net>
Cc: "nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <E190rss-00050M-8a@skipper.averillpark.net>
Errors-To: owner-nanog-outgoing@merit.edu



Most places I hang around have only 5 to 10 minutes batter. We, NAC,
usually plan on 10 minutes at full load, sometimes a little more.

If your genset doesn't start and sync in 30 seconds, it's unlikely, that
even with really good planning, that you'd get a rollup there, hooked up,
etc., in time. Murphy wouldn't hear of it.





On Wed, 2 Apr 2003, Richard Welty wrote:

>
> On Wed, 2 Apr 2003 15:37:28 -0800 Dan Lockwood <dlockwood@coe.shastalink.k12.ca.us> wrote:
> > Our current plan is to purchase the UPS with a minimal amount of
> > battery, approximately 15min worth; just enough to get the generator
> > running.  Is this the better way to go?  Or should we consider more
> > battery?
>
> just how certain are you that your generator is always going to start
> within 15 minutes?
>
> richard
> --
> Richard Welty                                         rwelty@averillpark.net
> Averill Park Networking                                         518-573-7592
>               Unix, Linux, IP Network Engineering, Security
>

-- Alex Rubenstein, AR97, K2AHR, alex@nac.net, latency, Al Reuben --
--    Net Access Corporation, 800-NET-ME-36, http://www.nac.net   --



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