Date: Fri, 12 Oct 2007 16:21:15 +0700 (ICT) From: Olivier Nicole <on@cs.ait.ac.th> To: tedm@toybox.placo.com Cc: kline@tao.thought.org, freebsd-questions@freebsd.org Subject: Re: what kind of UPS will work best? Message-ID: <200710120921.l9C9LFOw051637@banyan.cs.ait.ac.th> In-Reply-To: <BMEDLGAENEKCJFGODFOCOEHICAAA.tedm@toybox.placo.com> References: <BMEDLGAENEKCJFGODFOCOEHICAAA.tedm@toybox.placo.com>
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Hi,
> the *why*. Is there a best type to save me from this? Do any of
> these power supplies come with scripts to shutdown a Unix {or
> Linux} computer? Is there a UPS that is designed for heavy use
> and a very short (5- to 10-second) uptime? I'll need one that can
> interface thru the COM ports or the UBS port, if that is how
> these devices work.
Sorry if I jump in the thread. When it comes to detecting a power
outage and shutingdown nicely your server, a cheap/easy way is for the
server (on the UPS) to check through the network for a low grade PC
(not on the UPS). If the low grade PC is down, it means the power is
off and the server should consider a shutdown.
Dirty trick, but it works.
Best regards,
Olivier
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