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Re: [dm-devel] Re: [PATCH v3 00/12] snapshot-merge target



On Thu, Nov 19, 2009 at 09:02:33AM -0500, Mike Snitzer wrote:
> DM (and LVM) snapshot merging allows a snapshot (its COW store) to be
> merged back into the snapshot's origin device.
> One expected use of snapshot merging is rollback of a root filesystem
> after system upgrades (e.g.: yum update).

Has the patch to 'Documentation/device-mapper' been written yet?
(It won't go upstream until we have that of course.  Same for the
replicator and any other new dm targets.)
 
Alasdair


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