apc ups

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From - Fri Sep 29 15:09:23 2000
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From: Jeff Liebermann <jeffl@comix.santa-cruz.ca.us>
Newsgroups: comp.unix.sco.misc
Subject: Re: SCO & UPS.
Date: Fri, 29 Sep 2000 10:04:51 -0700
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On Fri, 29 Sep 2000 14:41:00 +0200, "Tom Fil" <tomfil@poczta.onet.pl>
wrote:

>I want shutting down SCO OpenServer 5.x on signal from UPS ( APC ).
>But I can't use port monitoring ( direct RS cable connection between server
>and UPS ).
>Is that possible to made this on SNMP trap signal ( such as eg Windows
>NT/2000 ) ?

Bad idea.  See:
        http://www.cruzio.com/~jeffl/sco/snmp_install.txt
for how to setup SNMP on OSR5.  What I don't know is which OID to write
to do the shutdown.  See setany(ADMN):
        http://stage.caldera.com/cgi-bin/ssl_getmanpage?setany+ADMN+OS5
for how to write to an OID.  However, having the UPS control the server,
instead of the server polling the UPS, is a bad idea.

Your unspecified APC UPS probably has an APC AP-9605 SNMP module.  If
you're thinking of using it to initiate a shutdown, be advised that this
module will initiate an SNMP trap, but not perform an SNMP write to a
specific OID.  If the UPS is in control, you have limited intelligence
available to do the shutdown.   Instead, I suggest you use APC's
PowerChute software to monitor and poll (no traps or writes) the AP-9605,
and have the OSR5 box decide for itself when it shutdown.


-- 
Jeff Liebermann   jeffl@comix.santa-cruz.ca.us
150 Felker St #D  Santa Cruz CA  95060
831-421-6491 pager   831-429-1240 fax
http://www.cruzio.com/~jeffl/sco/   SCO stuff

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