[libvirt-users] can I undo the snapshot apply of a qcow2 image

Cole Robinson crobinso at redhat.com
Mon Mar 24 11:37:44 UTC 2014


On 03/24/2014 05:56 AM, lyz_pro wrote:
> Hi all 
> I have a problem.
> Two days ago , I used kvm-img create a snapshot of an qcow2 format image.
> And  today I apply the snapshot of this image.
> 
> The question is can I recovery the image to the last point .
>  I mean Undo this snapshot apply 

No, there is no 'undo' operation. virt-manager will explicitly warn the user
here that reverting to a snapshot is dangerous (unless you take a snapshot
right before reverting, since that will save your previous disk state).

- Cole




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