[CentOS] SDA and HDA

[Rob Kampen]

Matt 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.  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?
>   
No - I believe grub just refers to hd as hard drive and this does not 
relate to /dev/sda or /dev/hda
> 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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>   

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