From: Dave Chinner <david@fromorbit.com>
To: "Vincent,Wei" <weikun0905@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: Some problem about the xfs_db??
Date: Tue, 15 Mar 2011 21:06:35 +1100 [thread overview]
Message-ID: <20110315100635.GN15097@dastard> (raw)
In-Reply-To: <AANLkTimHb2J80CDYPKCXN3yB5=iQ=1ZvQd4iVBFRuiri@mail.gmail.com>
On Tue, Mar 15, 2011 at 02:46:04PM +0800, Vincent,Wei wrote:
> Hi all
> I used the xfs_db to check the fragment about my disk.
> First I had format the disk,then I try to write the file on it.
> 5min later, we use df -h to check:
> /dev/sda1 465.6G 295.4M 465.3G 0% /mnt/hdd0
> Now I use the :
> xfs_db -c frag -r /dev/sda1
> actual 616, ideal 30, fragmentation factor 95.13%
>
> why?? this is nearly a new disk!!! How can it so many fragments?
What kernel? What's the output of "xfs_info <mntpt>"? What command
did you use to write the file? What's the extent map of the file
look like (i.e. xfs_bmap output)?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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prev parent reply other threads:[~2011-03-15 10:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-15 6:46 Some problem about the xfs_db?? Vincent,Wei
2011-03-15 10:06 ` Dave Chinner [this message]
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