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Date: Wed, 9 Feb 2005 09:10:39 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: freebsd-questions@freebsd.org
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Subject: Re: determine ufs2 %fragmentation on mounted filesystem
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On Wed, Feb 09, 2005 at 10:34:33AM -0600, Nathan Kinkade wrote:
> Does anyone know of a way to determine the %fragmentation on a mounted
> UFS2 filesystem?  An entry showed up in messages yesterday stating that
> /usr has moved from time to space optimization yet the filesystem is
> only at about 25% of it's capacity.  From what I can read it seems that
> the kernel might also make this switch if fragmentation becomes
> excessive.  However, this is a busy production machine running Squid, so
> I can't conveniently umount /usr.

Try dumpfs(8).

Kris
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