[33302] in North American Network Operators' Group
Re: Operate until failure
daemon@ATHENA.MIT.EDU (Henry Yen)
Mon Jan 8 17:17:09 2001
Message-ID: <20010108165113.D14324@nntp.AegisInfoSys.com>
Date: Mon, 8 Jan 2001 16:51:13 -0500
From: Henry Yen <henry@AegisInfoSys.com>
To: nanog@merit.edu
Cc: paul@timmins.net
Mail-Followup-To: nanog@merit.edu, paul@timmins.net
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In-Reply-To: <Pine.GSO.4.21.0101080953370.9661-100000@ns1.workbench.net>; from Paul Timmins on Mon, Jan 08, 2001 at 09:58:07AM -0500
Errors-To: owner-nanog-outgoing@merit.edu
On Mon, Jan 08, 2001 at 09:58:07AM -0500, Paul Timmins wrote:
> On 8 Jan 2001, Sean Donelan wrote:
> > I'm aware of a variety of proprietary software shutdown programs associated
> > with UPS vendors. But I'm wondering do any "open standards" exist for
> > initiating soft shutdowns?
> Almost all UPS's on the market twiddle with the DTR and RTS signals on the
> serial port when a power failure or an imminent battery failure. You can
> generally twiddle a pin on the serial cable to shut it off as well.
> For APC smart UPS devices, people have reverse engineered the protocol to
> communicate in smart mode and get battery voltages and the like. Do a
> search for "linux UPS daemons APC" and you should find something of use
> (since you will probably have to read the source code to figure out the
> protocol, it helps if you know C)
And if you are running a late-model linux (preferably RedHat), you can
download APC's own "award-winning PowerChute Plus" software for linux from
their website. It seems to be identical to PowerChutePlus running on
any other platforms, except that the interface is through X86.
--
Henry Yen Aegis Information Systems, Inc.
Senior Systems Programmer Hicksville, New York
