[gentoo-user] Re: Making sense of reported ZFS disk usage

[Remy Blank]

Remy Blank wrote on 2015-10-31 16:35:
> I guess I was looking for something like "how much data is shared
> between this snapshot and the next one", but since there's no link
> between snapshots (only between the dataset and the snapshots), ZFS
> can't provide it in "zfs list".
>
> But maybe there's a way to get this information? How can I find the
> amount of data shared between two snapshots of the same dataset?

Some more manpage reading shows that the "written" property is exactly
what I'm looking for:

  The amount of referenced space written to this dataset since the
previous snapshot.

Thanks for the hints!

-- Remy