From owner-freebsd-questions Tue Jun 6 5:23:28 2000 Delivered-To: freebsd-questions@freebsd.org Received: from snoopy.brwn.org (intgw1.brwn.org [196.28.127.66]) by hub.freebsd.org (Postfix) with ESMTP id 39BAB37B57D for ; Tue, 6 Jun 2000 05:23:23 -0700 (PDT) (envelope-from willem@denary.brwn.org) Received: from denary.brwn.org (denary.brwn.org [192.168.1.17]) by snoopy.brwn.org (Postfix) with ESMTP id 2F2A43ACA; Tue, 6 Jun 2000 14:23:16 +0200 (SAST) Received: (from willem@localhost) by denary.brwn.org (8.9.3/8.9.3) id OAA03131; Tue, 6 Jun 2000 14:23:16 +0200 (SAST) (envelope-from willem) Date: Tue, 6 Jun 2000 14:23:15 +0200 From: Willem Brown To: Jan Grant Cc: Willem Brown , John , freebsd-questions@freebsd.org Subject: Re: UPS sharing? Message-ID: <20000606142315.A227@denary.brwn.org> References: <20000605233517.C31021@denary.brwn.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: ; from Jan.Grant@bristol.ac.uk on Tue, Jun 06, 2000 at 10:40:06AM +0100 X-Public-Key: http://www.brwn.org/~willem/pubkey.txt Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, I learned that lesson the hard way. :) Like not having the CPU switch and hubs on the UPS. Duh! Regards Willem Brown On Tue, Jun 06, 2000 at 10:40:06AM +0100, Jan Grant wrote: > On Mon, 5 Jun 2000, Willem Brown wrote: > > > Hi, > > > > Have a look at NUT (Network UPS Tools). You can get it at > > http://www.exploits.org/nut/ > > If I may offer one piece of obvious (but unfortunately > anecdotal) advice: when controlling the shutdown of multiple machines > from one UPS monitoring device, remember to ensure that the > communication between them will work in the event of a power > outage. This means either serial cables or make sure your hub/switch is > plugged into a UPS too :-) > > jan (had a DOH moment - fortunately it only took down a news server) > > PS. I don't think splitting the signal will work; as I understand it > there are a number of request/response mechanisms for getting > performance details off the UPS. I don't think a split serial signal > will work in that case. > > > -- > jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ > Tel +44(0)117 9287163 Fax +44 (0)117 9287112 RFC822 jan.grant@bris.ac.uk > Whenever I see a dog salivate I get an insatiable urge to ring a bell. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > > -- /* =============================================================== */ /* Linux, FreeBSD, NetBSD, OpenBSD. The choice is yours. */ /* =============================================================== */ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message