> 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. 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. (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. 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? Here is fstab: # cat /etc/fstab /dev/VolGroup00/LogVol00 / ext3 defaults 1 1 LABEL=/boot /boot ext3 defaults 1 2 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/VolGroup00/LogVol01 swap swap defaults 0 0 Matt _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos