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Re: xfs_fsr 2.2.38 bug/kernel 2.6.21.3 cannot defrag volume

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: xfs_fsr 2.2.38 bug/kernel 2.6.21.3 cannot defrag volume
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Tue, 29 May 2007 21:41:11 -0500
Cc: xfs@xxxxxxxxxxx, apiszcz@xxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.64.0705291404430.2944@p34.internal.lan>
References: <Pine.LNX.4.64.0705291404430.2944@p34.internal.lan>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Thunderbird 2.0.0.0 (Macintosh/20070326)
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


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