Re: [IDEA] Poor man's UPS

From: Pavel Machek
Date: Mon May 22 2006 - 05:29:27 EST


> This is an idea a had some time ago. It might be a waste of time or it might
> be a good idea, you decide.

Well, it depends on "are you willing to work on it"?

> The "continuous hibernation" is some kind of memory snapshots taken, say,
> every 5 minutes. The next time your system starts after a crash, it'd say "oh
> oh, looks like something went wrong" and offer you a list of the last N (for
> instance, 4) snapshots and you can recover your system to the very same state
> it was before power went off or your dog unplugged your CPU. It might even
> ask you which individual applications you want to start from that snapshot:
> maybe you don't want to start Quake 3.

See and probably dm snapshotting functionality. Most of
what you want can be done today, and in userspace.
(cesky, pictures)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at