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Date:      Thu, 28 Nov 2013 20:50:53 -0600
From:      Adam Vande More <amvandemore@gmail.com>
To:        Warren Block <wblock@wonkity.com>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: 4k sectors
Message-ID:  <CA+tpaK0EVZ+_oTX-KOn27GiJT0UHGs=5SdqYXAKdinYhd0kzqg@mail.gmail.com>
In-Reply-To: <alpine.BSF.2.00.1311281455010.50600@wonkity.com>
References:  <CA+tpaK3WUrP3ryuHfw61RvLft0-NUEbQFrkF22g6sT+fbJLrCA@mail.gmail.com> <alpine.BSF.2.00.1311281455010.50600@wonkity.com>

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On Thu, Nov 28, 2013 at 4:10 PM, Warren Block <wblock@wonkity.com> wrote:

> On Thu, 28 Nov 2013, Adam Vande More wrote:
>
>  Is there an easy method to find out the space wasted by using 4k vs 512?
>>
>
> Which filesystem?  UFS has block suballocation ("fragments").  It would be
> surprising if ZFS did not, but I don't know what they call it.
>

UFS mainly although a FS agnostic tool would be best.  Maybe another way to
ask the question is there a tool that analyses a FS and suggests optimal
defaults?  Obviously this question can be answered with existing utilities
and some math.  I'm looking for the lazy man's solution.

-- 
Adam



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