[CentOS] SDA and HDA

Wed Aug 18 19:45:08 UTC 2010
Tom H <tomh0665 at gmail.com>

On Wed, Aug 18, 2010 at 2:56 PM, Keith Roberts <keith at karsites.net> wrote:
> On Wed, 18 Aug 2010, Hannes Frederic Sowa wrote:
>> From: Hannes Frederic Sowa <hannes at mailcolloid.de>
>> On Wed, Aug 18, 2010 at 1:23 AM, Matt <lm7812 at gmail.com> wrote:
>>>
>>> With the default settings in my Supermicro motherboard CentOS calls my
>>> SATA drive /dev/hda.  If in bios setup I change 'Native Mode
>>> Operation' from auto to 'Serial ATA' it boots up calling the drive
>>> /dev/sda.  I keep thinking its likely better under /dev/sda not?  Any
>>> problem switching it to that after install?
>>
>> If you have setup lvm and use labels for mounting your filesystem, the
>> change should be hassle free. Otherwise you have to check grub.conf
>> for the root parameter and change blockdevices in /etc/fstab.
>
> I don't use LVM yet, but I found that using hard-coded /dev/sda?? or
> /dev/hda?? in /etc/fstab is not recommended.
>
> If LVM supports them, partition labels are the way to go.

A partition label is a filesystem property so you can give an LV's
filesystem a label if you choose to, but this isn't necessary because
LV names are persistent.