From owner-freebsd-questions Tue Jun 6 19:43:44 2000 Delivered-To: freebsd-questions@freebsd.org Received: from wondermutt.net (host75-157.student.udel.edu [128.175.75.157]) by hub.freebsd.org (Postfix) with ESMTP id 46EAC37BA7E for ; Tue, 6 Jun 2000 19:43:37 -0700 (PDT) (envelope-from papalia@udel.edu) Received: from morgaine.udel.edu (morgaine.wondermutt.net [192.168.1.2]) by wondermutt.net (8.9.3/8.9.3) with ESMTP id WAA16539; Tue, 6 Jun 2000 22:44:28 -0400 (EDT) (envelope-from papalia@udel.edu) Message-Id: <4.3.1.2.20000606224030.00aded20@mail.udel.edu> X-Sender: papalia@mail.udel.edu X-Mailer: QUALCOMM Windows Eudora Version 4.3.1 Date: Tue, 06 Jun 2000 22:41:40 -0400 To: "Donald Fast" , "Jan Grant" , "Willem Brown" From: John Subject: RE: UPS sharing? Cc: In-Reply-To: <000201bfd027$939b6580$9232e8d8@bc.hsia.telus.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG A-yup... I read up on the sharing device just yesterday. Seems to be the ticket. Even the 'extra' $80 expense for the card is acceptable, since it sure beats corrupting file systems :) Thanks to all who responded!!! --John >Hi, > > > > > 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. >APC has an option to split the signal from the UPS to shutdown many computers. > >http://www.apcc.com/products/management/multiple_shutdown.cfm > >excerpt: >Data Protection for Multiple Servers on one UPS > >If you're managing multiple servers, particularly in a mixed OS environment, > UPS Interface Expander Card and Share-UPS are essential tools to properly >manage signaling servers from a single UPS. > >Shutdown multiple servers on one UPS >Connect up to 8 completely OS-independent servers to a single UPS with >Share-UPS. > >UPS Interface Expander Card >Provides two additional ports to facilitate safe system shutdown and advanced >UPS management of up to three servers from one UPS. All three servers can be >running different operating systems, making it ideal for multiple OS >environments. > >HTH >donald fast >djfast@telus.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message