Re: How to track hard drive seeks?
On Fri, 20 Feb 1998 servis@purdue.edu wrote:
>
> Is there some program that I can use to monitor what programs are
> seeking the hard drive? Some program, system call, or something is
> causing a quick seek to my root partitions hard drive every second or
> two. I don't know what it is and I would like to find out. My root
> partition(everything except /home) is a 3.2G partition(/dev/hda5) on a
> new WD 6.4G udma drive. I have used "hdparm -d1 -c3 -S 241" on the
> drive(/dev/hda) but disabling those options doesn't stop it.
> I don't recall this happening on the old drive that the root partition
> used to be on, a WD 1.2G eide drive(now /home on /dev/hdb2).
>
> Any pointers would be great,
> Thanks,
>
> Brian
Have a look at update. On _one_ of my debian boxes it accesses the drive
twice every five seconds and it is driving me up the wall. The other
boxes just sit here quietly.
It gets started in /etc/init.d/single (and maybe other places as well.)
You could experiment by using "update -f 30" and see what effect that has
on things, but be it on your own head.
Lindsay
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Lindsay Allen <allen@cleo.murdoch.edu.au> Perth, Western Australia
voice +61 8 9316 2486 32.0125S 115.8445E vk6lj Debian Unix
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