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List:       qemu-devel
Subject:    Re: [Qemu-devel] PATCH: Control over drive open modes for backing file
From:       Jamie Lokier <jamie () shareable ! org>
Date:       2008-08-01 7:46:07
Message-ID: 20080801074607.GA12019 () shareable ! org
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Anthony Liguori wrote:
> >Can I arbitrarily branch off different snapshots within a single qcow2
> >file?  Can I delete the 'base' snapshots safely?  Most important: what
> >happens if I have snapshots in a qcow2 file which has a base file, and
> >I type 'commit'?  Does it corrupt all the snapshots, effectively?
> 
> snapshots are linear, not branching.  And they are only every 
> saved/loaded from the highest level qcow2 file.

So if I understand that right, the 'commit' command (to write to the
base image) _will_ corrupt all the snapshots since they depend on the
base image and it just changed??

-- Jamie


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