Re: RFC: Self-snapshotting in Linux

[Pavel Machek]

> Sorry if this is a a crazy idea.....just be forewarned....
> 
> First, I would like to make a reference to VMWare's snapshot (name not
> important, emphasize the idea) feature - hopefully u are familiar with
> it.   This is a feature whereby u can freeze the entire OS (kernel +
> userspace application running) and then later reload itself next time,
> continuing where it left off, without reboot from ground zero.
> 
> Next, can I ask, is such a feature useful in Linux?   Ie, able to
> restart the kernel + userspace application from where u left off, the
> last time round.    Not JUST the normal suspend/resume feature, but
> more important able to CHOOSE among the different available images
> for
> u to resume on.   Eg, u want to freeze the current 2.6.25-rc6
> kernel,

Could we use english on this list?

Anyway, hibernate, cp /dev/root /somewhere/root.1; cp /dev/swap
/somewhere/swap.1

If you want to resume selected version, copy back that set of devices,
and proceed normally.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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