Date: Tue, 06 Jun 2000 22:41:40 -0400 From: John <papalia@udel.edu> To: "Donald Fast" <djfast@telus.net>, "Jan Grant" <Jan.Grant@bristol.ac.uk>, "Willem Brown" <willem@brwn.org> Cc: <freebsd-questions@freebsd.org> Subject: RE: UPS sharing? Message-ID: <4.3.1.2.20000606224030.00aded20@mail.udel.edu> In-Reply-To: <000201bfd027$939b6580$9232e8d8@bc.hsia.telus.net> References: <Pine.GHP.4.21.0006061035590.28349-100000@mail.ilrt.bris.ac.uk>
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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
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