From owner-freebsd-fs@FreeBSD.ORG  Fri Apr 13 15:44:38 2012
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Date: Fri, 13 Apr 2012 16:44:37 +0100
Message-ID: <CAFHbX1K2Fhs_xPyRMCXp0xqSXUadog3DVuoTVX3A1U_g69_Hpw@mail.gmail.com>
From: Tom Evans <tevans.uk@googlemail.com>
To: Johannes Totz <johannes@jo-t.de>
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Cc: freebsd-fs@freebsd.org
Subject: Re: ZFS and disk usage
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On Fri, Apr 13, 2012 at 4:27 PM, Johannes Totz <johannes@jo-t.de> wrote:
> Small rant: I dont understand why zpool and zfs show different things.
> If you have an integrated storage stack then why not show consistent
> numbers? Is there any use for this extra (mis-)information that
> zpool-vs-zfs provides?
>

They are supposed to be different things. `zpool list` shows the size
of the raw storage in the pool, where as `zfs list` shows the size of
file systems on that storage.

zpool deals with raw storage blocks, why would it talk about the size
of the overlying filesystem?

Cheers

Tom