[CentOS] SDA and HDA

[Robert Heller]

At Sun, 22 Aug 2010 16:09:00 -0500 CentOS mailing list <centos at centos.org> wrote:

> 
> > The only problems with switching after install is:
> >
> > 1) you need to be sure the initrd has the (proper) SATA kernel module(s)
> > in it. Â If necessary, you'll have to use mkinitrd to re-create the
> > initrd file to include the proper driver modules.
> >
> > 2) /etc/fstab needs to be fixed, either to use LABEL= (rather than
> > /dev/hdaN) and your file systems (including swap) need to have file
> > sytem labels. Â (LVM volumes won't be a problem.)
> 
> I changed it in bios to sata mode.  Now after boot up it calls it sda
> instead of hda and disk I/O is much faster.

Yes, this is expected.

> 
> I see in this file:
> 
> # cat /boot/grub/device.map
> # this device map was generated by anaconda
> (hd0)     /dev/hda
> 
> Should I change this too sda?  It works and boots the way it is but
> just wandering?

Yes, definately!


-- 
Robert Heller             -- 978-544-6933
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