Except none of these actually gives you the information about "send size".
Used will give you unique bytes, so in my understanding it would change as you
add more snapshots, and especially with dedup.
Referenced is more or less equivalent to doing DU on the .zfs/snapshot
directory.
So basically,
Cindy spent a lot of time trying to make this understandable in the ZFS
Admin Guide. A quick refresher below...
On Mar 1, 2010, at 8:55 AM, David Dyer-Bennet wrote:
> Okay, since I'm finally starting to care (projecting long-term use, so I
> can set my snapshot taking and retention policy, and e
Okay, since I'm finally starting to care (projecting long-term use, so I
can set my snapshot taking and retention policy, and estimate disk needs),
I need a review of reading snapshot size information.
>From the user end, there are three "sizes" that I can imagine caring about
for a snapshot:
1)
