[CentOS] SDA and HDA
Matt
lm7812 at gmail.com
Sun Aug 22 21:09:00 UTC 2010
> 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
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