[CentOS] install detecting disk as sdb not sda

Fri Feb 3 18:05:49 UTC 2012
Jerry Geis <geisj at pagestation.com>

On 02/03/2012 12:24 PM, Jerry Geis wrote:
> I am trying to install 6.2 on a machine.
> I am using PXE as I have done so a number of times.
> My hard disk is being detected as sdb and not sda.
> My kickstart config is wanting it at sda.
> There are no other disks in the unit. It has and SD slot and an esata
> although BIOS does not appear to have a disable for either of those 
> devices.
> Is there anyway to "force" the disk to sda ?
> or find out what its detecting at sda and disable that from the PXE 
> boot line?
> Doing " dmesg | grep sda" does say SCSI removable disk.
> So how can I tell linux to NOT include that when installing?
> Thanks,
> jerry
Using the kernel boot option "nousb" lets me install.
However, that also stops my usb keyboard from working.

I just need to know how to block the usb-storage driver from loading.
I tried "rdblacklist=usb-storage" but that did not work.

What am I missing? Thanks,