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Subject: Re: zfs: the exponential file system from hell
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From: Borja Marcos <borjam@sarenet.es>
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Date: Tue, 1 Oct 2013 11:18:08 +0200
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On Oct 1, 2013, at 1:44 AM, kpneal@pobox.com wrote:

> On Mon, Sep 30, 2013 at 11:07:33AM +0200, Borja Marcos wrote:
>> Anyway, in a system with variable datasets "df" is actually =
meaningless and you should rely on "zpool list", which gives you
>> the real size, allocated space, free space, etc.
>>=20
>>=20
>> % zpool list
>> NAME   SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
>> pool  1.59T   500G  1.11T    30%  1.00x  ONLINE  -
>> %=20
>=20
> See that the zfs command says aurd0 has used 2.14T of space while the =
zpool
> command says it has used 3.21T? But aursys (the mirror) has numbers =
that
> roughly match.
>=20
> Since 'zfs' works above the pool level it gives accurate sizes no =
matter
> what kind of redundancy (if any) you are using.
>=20
> Bottom line:
> The replacement for the 'df' command when using ZFS is 'zfs list'.

Ouch, I stand corrected!

Thank you :)




Borja.