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Date:      Thu, 28 Nov 2013 20:50:53 -0600
From:      Adam Vande More <>
To:        Warren Block <>
Cc:        FreeBSD Questions <>
Subject:   Re: 4k sectors
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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On Thu, Nov 28, 2013 at 4:10 PM, Warren Block <> 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.


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