[dm-devel] [PATCH] dm-thinp: new device mapper target to thin provision storage
Phillip Susi
psusi at cfl.rr.com
Wed Sep 29 13:41:05 UTC 2010
On 9/29/2010 7:25 AM, Heinz Mauelshagen wrote:
> On Tue, 2010-09-28 at 17:44 -0400, Phillip Susi wrote:
>> How is this different than snapshotting a zero target?
>
> Like Hanness mentioned: you can free space.
Could you clarify that a bit? Is space only freed if you reduce the
length of a device? You can't do the same with a snapshot?
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