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Date:      Wed, 09 Dec 1998 01:30:50 -0800
From:      David Greenman <dg@root.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Matt Behrens <matt@zigg.com>, "Mark S. Reichman" <mark@borg.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: UFS defragmenter and/or partition resizer? (Wishful thinking?) 
Message-ID:  <199812090930.BAA29154@root.com>
In-Reply-To: Your message of "Wed, 09 Dec 1998 16:34:53 %2B1030." <19981209163453.H12688@freebie.lemis.com> 

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>Well, it would be nice to say that UFS doesn't need defragmentation,
>but it's not quite true.  In practice, though, it's much less of a
>problem than with Microsoft.  And unfortunately we currently don't
>have a defragmenter.

   Actually -current does dynamic defragmentation; that's what the
"doreallocblks" stuff is all about and why it was so important to get
it working. There is a Usenix paper on this by Keith Smith at Havard;
sorry I don't have a URL.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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