[linux-lvm] restoring snapshots

[Mike Snitzer]

On Mon, Sep 20 2010 at  9:15am -0400,
Kinzel, David <David.Kinzel at encana.com> wrote:

> >Is there any plan to add the feature to efficiently
> >restore/apply/commit a snapshot (that is only dump the cow data
> >onto the original volume without writing the whole volume) or
> >does that feature exist already and I missed it?
> 
> The newer versions do have the lvmerge feature, and it seems to work in
> RHEL6 beta from what I could see.

Yes, and the changes are also upstream, see:
https://www.redhat.com/archives/linux-lvm/2010-February/msg00029.html
https://www.redhat.com/archives/linux-lvm/2010-May/msg00017.html

Mike