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From: Bram Vandoren <bram.vandoren@ster.kuleuven.be>
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To: Jason Breitman <jbreitman@zxcvm.com>
Subject: Re: Differences in reporting by du df and usedbydataset
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You should check the compressratio property if you enabled compression 
in the past and disabled it again.

Cheers,
Bram

On 04/15/2014 04:26 PM, Jason Breitman wrote:
> # du -shA /tank/users/auser
> 4.4G	/tank/users/auser
>
> # zfs get compression tank/users/auser
> NAME               PROPERTY     VALUE     SOURCE
> tank/users/auser  compression  off       default
>
> Jason Breitman
> jbreitman@zxcvm.com
>
>
>
> On Apr 15, 2014, at 9:40 AM, Glen Barber <gjb@FreeBSD.org> wrote:
>
> On Tue, Apr 15, 2014 at 09:23:50AM -0400, Jason Breitman wrote:
>> I appreciate your response, but am not convinced that those 9
>> files add up to the 18 GB difference for the user below.
>
> What does 'du -shA .' say?
>
> Also, please show 'zfs get compression'.
>
> Glen