Guy,
I wrote APCUPSD beginning back in 95/96 for this reason.
American Power Conversion is now friendly to Linux.
http://www.linux-ide.org/apcupsd.html
Cheers,
On Mon, 19 Mar 2001, Stephen Satchell wrote:
> At 01:16 PM 3/19/01 -0800, Torrey Hoffman wrote:
> >Yes. Some of this is your responsibility. You have several options:
> >1. Get a UPS. That would not have helped your particular problem,
> > but it's a good idea if you care about data integrity.
> >2. Use a journaling file system. These are much more tolerant of
> > abuse. Reiserfs seems to work for me on embedded systems I am
> > building where the user can (and does) remove the power any time.
> >3. Use RAID. Hard drives are very cheap and software raid is very
> > easy to set up.
>
> Sorry, but you really should have read the ENTIRE thread before
> commenting. This guy's original complaint was that his USB keyboard locks
> up, and the only way to get it back is to do a very rude restart. In
> combatting this problem, the guy was observing the "shortcomings" of the
> file system.
>
> To be more to the point of the guy's problem, he should consider using
> software specifically intended for UPS hardware to notify a system when the
> power is going to go, and wire up an appropriate switch to signal his
> system to enter shutdown when his keyboard goes south. By forcing an
> orderly shutdown, he doesn't see the fsck-ing messages, he gets his USB
> keyboard back, and all is well with the world.
>
> Of course, the other option is to use a regular keyboard instead of a USB
> keyboard, but why point out the really easy solution? "Hey Doc, it hurts
> when I do this." "Then don't do it."
>
> Satch
>
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Andre Hedrick
Linux ATA Development
ASL Kernel Development
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