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Re: [Qemu-devel] Selective snapshots

From: andrzej zaborowski
Subject: Re: [Qemu-devel] Selective snapshots
Date: Fri, 21 Dec 2007 17:34:58 +0100

On 21/12/2007, Laurent Vivier <address@hidden> wrote:
> Le vendredi 21 décembre 2007 à 15:56 +0000, Ottavio Caruso a écrit :
> > Hello,
> >
> > I have hd, hdb and hdd running in snasphot mode.
> >
> > Is it possible to have only hda in snapshot and have qemu writing to
> > hdb and hdd as usual?
> I think   you can use "qemu -drive file=my_file,index=0,snapshot=on -hdb
> f2 -hdd f3"
> > If that is not implemented are there plans to introduce this feature?

Yup, try this, and if it doesn't work you can always use:

qemu-img create -b /dev/hda -f qcow2 my-hda-overlay
qemu -hda my-hda-overlay -hdb /dev/hdb -hdd /dev/hdd

so I think there are no plans for a yet another way to do the same thing.

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