[TriLUG] Slow hard drive Centos 5.6

Igor Partola igor at igorpartola.com
Wed Oct 5 14:18:39 EDT 2011

I wonder if you have a newer controller and two drivers are set to be able
to control it. I would look at dmesg/lspci to see which driver is listed for
the controller with and without that kernel parameter and see if it's a
simple matter of blacklisting the older module.


On Wed, Oct 5, 2011 at 2:13 PM, Mike Norwood <norwoodm at embarqmail.com>wrote:

> Ron and Igor,
> Thanks for ideas.  I found a solution that seems to work, just will need
> to make sure it does not affect anything else.  I saw suggestion to add
> hda=noprobe and hda=none to kernel line of grub.conf.   When I did this
> and rebooted, it sees drive as sda and drive access is back to normal
> speediness.
> Thanks again.  Mike.
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