linux-kernel - Re: tracking down disk spinups.

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Message-ID: <Pine.LNX.4.61.0705142213070.9570@yvahk01.tjqt.qr>
Date:	Mon, 14 May 2007 22:13:57 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Dave Jones <davej@...hat.com>
cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: tracking down disk spinups.

On May 14 2007 14:57, Dave Jones wrote:
>
>I was curious why my firewall box never spins down its disk.
>Given it rarely writes stuff to logs, it's odd that it always
>seems to have something to write out.
>killing syslogd, and enabling /proc/sys/vm/block_dump
>gets me a periodic spew in /proc/kmsg like..

Perhaps it would help if you use `fuser` to see who's got
open files for read and/or write, then strace all processes
and see who does reads/writes?

	Jan
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