dennis@ultima.socs.uts.edu.au (Dennis Cook) (05/20/91)
Has anyone had any experience(s) with Uninterruptible Power Supplies on machines running SCO System V Unix? Specifically, what I'd like to know is: 1) Are there any species of U.P.S. that should be sought after/avoided? 2) How do I get the U.P.S. to tell the machine that it is running on "borrowed time" and to do a shutdown? If this is too obvious just mail me, but if the answers are truly enlightening :-) post them. -- Dennis Cook University of Technology, Sydney -- :-D (dennis@ultima.socs.uts.edu.au)
rcd@ico.isc.com (Dick Dunn) (05/21/91)
dennis@ultima.socs.uts.edu.au (Dennis Cook) writes: > Has anyone had any experience(s) with Uninterruptible > Power Supplies on machines running SCO System V Unix? Hmmm...is there some particular reason you're concerned about SCO Sys V? (Is the power requirement for SCO different from AT&T, Esix, ISC, Dell?:-) I think of UPS concerns as being mostly hardware issues; we'd benefit from broadening the discussion. Seriously...we've been 'round the UPS discussion a time or two, but only lightly; it wouldn't hurt to run it again with updates. (I think we left a question about Unison hanging; that ought to be cleared up now.) One of the things you need to talk about is what sort of hardware you're trying to supply--one little machine, a big one, a flock of 'em? If you really have SCO-specific questions, what are they? > 2) How do I get the U.P.S. to tell the machine that > it is running on "borrowed time" and to do a shutdown? UPSes which are set up to do this generally talk down a serial port...so you need a spare serial port and a little program to kick off the shut- down. -- Dick Dunn rcd@ico.isc.com -or- ico!rcd Boulder, CO (303)449-2870 ...If you plant ice, you're gonna harvest wind.
pascal@CAM.ORG (Pascal Gosselin) (05/23/91)
rcd@ico.isc.com (Dick Dunn) writes: [stuff deleted] >UPSes which are set up to do this generally talk down a serial port...so >you need a spare serial port and a little program to kick off the shut- >down. >-- >Dick Dunn rcd@ico.isc.com -or- ico!rcd Boulder, CO (303)449-2870 > ...If you plant ice, you're gonna harvest wind. For those of you who can't spare that serial port, you can simply use the Joystick port of your AT I/O card. The software/cable that you need to do this was posted a few weeks ago to this newsgroups. Those who missed it can email marc@cam.org for the source and diagrams. -- +----------------------------------------------------------------------------+ | Pascal Gosselin | Internet: P.Gosselin@CAM.ORG Applelink: CDA0585 | | Gest-Mac Inc. Apple VAR | Voice (514) 767-4444 Fax (514) 767-7337 | +----------------------------------------------------------------------------+