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Date: Tue, 29 May 2007 21:41:11 -0500
From: Eric Sandeen <sandeen@sandeen.net>
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Subject: Re: xfs_fsr 2.2.38 bug/kernel 2.6.21.3 cannot defrag volume
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To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: xfs@oss.sgi.com, apiszcz@solarrain.com

Justin Piszcz wrote:
> # uname -a
> Linux boxname 2.6.21.3 #2 SMP Sun May 27 11:34:21 EDT 2007 i686 GNU/Linux
> # xfs_fsr -V
> xfs_fsr version 2.2.38
> # xfs_db -V
> xfs_db version 2.8.18
> # xfs_db -c frag -f /dev/md1
> actual 449, ideal 403, fragmentation factor 10.24%
> # xfs_fsr /dev/md1
> /d2 start inode=0
> # xfs_db -c frag -f /dev/md1
> actual 449, ideal 403, fragmentation factor 10.24%
> #

So you have on average 1.114 extents per file.

Relax.  Have a homebrew.  :)

-Eric