Messages in this thread | | | Date | Mon, 19 Mar 2001 15:05:32 -0800 (PST) | From | Andre Hedrick <> | Subject | RE: Linux should better cope with power failure |
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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 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
Andre Hedrick Linux ATA Development ASL Kernel Development ----------------------------------------------------------------------------- ASL, Inc. Toll free: 1-877-ASL-3535 1757 Houret Court Fax: 1-408-941-2071 Milpitas, CA 95035 Web: www.aslab.com
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