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Date: Mon, 13 Jun 2011 12:56:46 +0200
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From: =?UTF-8?Q?=C5=A0imun_Mikecin?= <numisemis@gmail.com>
To: Steven Hartland <killing@multiplay.co.uk>, freebsd-fs@freebsd.org
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Subject: Re: Impossible compression ratio on ZFS
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2011/6/13 Steven Hartland <killing@multiplay.co.uk>

> Using 'du' for file sizes (without -A option) is wrong in the first place.
>> Any program or script that is using it in such a way is broken and should
>> be
>> corrected.
>>
>
> That's not true, -A displays the apparent size not the actual disk usage
> which is what we want.


Disk usage is not equal to file size. 'ls -al' shows file size, 'du' shows
disk usage.
Use the one you need, but don't expect them to be the same thing.