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Re: XFS problem

To: "Piszcz, Justin" <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: XFS problem
From: Eric Sandeen <sandeen@xxxxxxx>
Date: Thu, 15 Sep 2005 10:07:07 -0500
Cc: Ruben <ruben@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <F8B974E70BDE1745ABB27AF04788FA00DE39D1@xxxxxxxxxxxxxxxxxxx>
References: <F8B974E70BDE1745ABB27AF04788FA00DE39D1@xxxxxxxxxxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
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Piszcz, Justin wrote:
Well that rules out the fragmentation problem.

Not necessarily, a single highly fragmented file could cause this problem.

In other words, the problem is not with average fragmentation on the filesystem, the problem is with highly fragmented individual files.

Do you know which file might be getting accessed when you get these errors? And as a starting point - do you have large files downloaded via bittorrent somewhere? :)

You can run xfs_bmap -v on any suspect files to see how many extents they have.


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