[CentOS] Constant disk activity
Ron Yorston
rmy at tigress.co.uk
Thu Apr 14 09:29:45 UTC 2005
>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.
When I had problems with irritating disk noises on a laptop it turned
out that the problem wasn't so much disk access as an over-aggressive
power management setting.
hdparm -I /dev/hda | grep 'power management'
should tell you the current setting. The default value seems to be 128,
but what exactly that means depends on your hard disk. I found that
changing the setting to 200 was a big improvement:
hdparm -B 200 /dev/hda
You can make the change permanent by editing /etc/sysconfig/harddisks.
Ron
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