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Date:	Tue, 23 Jun 2009 19:00:06 +0200
From:	Norbert Preining <preining@...ic.at>
To:	linux-kernel@...r.kernel.org
Subject: finding reasons for disk spin ups

Hi all,
(please cc)

is there a way I can find the reasons why my disk is spinning up again
and again? I tried to monitor io with
	iotop -o -d 0.01 -b -qqq -t
but sometimes the disks spins up without anything showing up.
The partitions are mounted with noatime.

Is there any kernel interface telling me why/whcih process called for
the sync so that the disk wakes up?

Thanks a lot

Norbert

-------------------------------------------------------------------------------
Dr. Norbert Preining <preining@...ic.at>        Vienna University of Technology
Debian Developer <preining@...ian.org>                         Debian TeX Group
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
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