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RE: [Xen-users] is save and restore save?

from [Steffen Heil]

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To:	"'Harald Kubota'" <hkubota@xxxxxxx>, "'Julian Hagenauer'" <chaosbringer@xxxxxx>
Subject:	RE: [Xen-users] is save and restore save?
From:	"Steffen Heil" <lists@xxxxxxxxxxxxxxx>
Date:	Sun, 10 Sep 2006 20:36:19 +0200
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Hi

> > xm create myvm
> > (now logging on an do some modifikations)
> > xm destroy myvm 
> > xm restore state.dat

> Since 'xm save' saves the memory and the state of the 
> machine, but not the disk, any changes on the disk and on 
> swap space is bad.

I think the same.

> However, if you do 'xm save', then do a snapshot from disks 
> (including swap), then 'xm create' again (which will have an 
> unclean filesystem just like after a crash), then 'xm 
> destroy' and then undo all the recent changes on disk and 
> swap (undo snapshot), THEN you can 'xm restore' that state again.
> Since memory is in the state.dat, and disk is unchanged 
> (curtesy of lvm snapshots), that's ok.

But it will not fullfill the purpose of "do some modifikations".

Regards,
  Steffen

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