Re: [IDEA] Poor man's UPS

[Avi Kivity]

Michael Buesch wrote:
> >  > 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 
> >     
>
> You really want a system, which freezes for 10-20 seconds every 5 minutes,
> and thaws again when the image is written?
>   

The snapshot could be taken in the background, by marking all pages 
read-only, starting a thread to write them to disk, and continuing 
normal processing.

Such systems have been implemented in the past, see for example 
http://www.eros-os.org/.

--
error compiling committee.c: too many arguments to function

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/