From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ray Van Dolson <rayvd@bludgeon.org>
Subject: Re: Data De-duplication
Date: Wed, 10 Dec 2008 14:10:07 -0800
Message-ID: <20081210221006.GA30484@bludgeon.org>
References: <1228862899.8130.1.camel@mattos-laptop> <1228915802.11900.8.camel@think.oraclecorp.com> <32809.2001:470:e828:1::2:2.1228939660.squirrel@avalon.arbitraryconstant.com> <1228943437.7571.1.camel@mattos-laptop> <20081210211903.GA29002@bludgeon.org> <1228945336.7571.26.camel@mattos-laptop> <20081210215754.GT23979@tracyreed.org>
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Cc: Oliver Mattos <oliver.mattos08@imperial.ac.uk>,
	btrfs-devel@arbitraryconstant.com,
	Chris Mason <chris.mason@oracle.com>,
	linux-btrfs@vger.kernel.org
To: Tracy Reed <treed@tracyreed.org>
Return-path: <linux-btrfs-owner@vger.kernel.org>
In-Reply-To: <20081210215754.GT23979@tracyreed.org>
List-ID: <linux-btrfs.vger.kernel.org>

On Wed, Dec 10, 2008 at 01:57:54PM -0800, Tracy Reed wrote:
> On Wed, Dec 10, 2008 at 09:42:16PM +0000, Oliver Mattos spake thusly:
> > I'm considering writing that script to test on my ext3 disk just to see
> > how much duplicate wasted data I really have.
> 
> Check out the fdupes command. In Fedora 8 it is in the yum repo as
> fdupes-1.40-10.fc8
> 

Neat tool.  I guess this just checks for duplicate files though.  It
would be interesting to see how many duplicate *blocks* there are
across the filesystem, agnostic to files...

Is this somthing your script does Oliver?

Ray