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To: Leonard <leonardc9@usa.net>
cc: questions@FreeBSD.ORG
Subject: Re: No defragmentation software needed? 
In-reply-to: Your message of "Fri, 12 Dec 1997 19:21:33 PST."
             <3.0.2.32.19971212192133.0069fa6c@pop.slip.net> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Fri, 12 Dec 1997 23:32:29 -0800
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>Why is it that with FreeBSD, I don't have to run any defragmenting
>utilities on the hard drive now and then?  I keep thinking that
>defragmentation should be a concern, but I remember being told that FreeBSD
>takes care of that for me.

   Two answers... Answer #1: Yes, 4.4BSD-lite comes with extensions to
FFS that do on-the-fly defragmentation of the filesystem. Answer #2:
Unfortunately, due to bugs in (1), we disabled the extensions and although
the original bug that caused the problems was fixed, the code has since
fallen into a state of incompleteness. We'll need to fix this before it
can be re-enabled.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project