[CentOS] Constant disk activity
Paul Heinlein
heinlein at madboa.com
Wed Apr 13 15:07:41 UTC 2005
On 4/13/05 8:01 AM, first last wrote:
> I am running centos on a laptop and the HD keeps on making noises every
> so often, even when I go to runlevel 1 and stop everything that could
> be doing so (hotplug, smartd, cron, anacron, atd, syslogd...).
>
> Is there any way of finding out what is accessing the disk? Not only it
> shortens battery life, it is annoying while working in a quiet room.
My hunch is that it's kjournald. Do you have ext3 filesystems on that
machine?
You can test it:
echo 1 > /proc/sys/vm/block_dump
# wait for disk access to occur
dmesg
Once you're done, poke 0 into the block_dump setting to stop your kernel
log from overflowing. :-)
--
Paul Heinlein <> heinlein at madboa.com <> www.madboa.com
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