How to change disk sequence on DELL R900 witrh PERC 6/X on LINUX

[Tom Brown]

> we have DELL R900 with REDHAT 5.3 in it.  This DELL R900 come with one integrate PERC6/I and two PERC6/E cards.  DELL PERC 6/I control 5 internal disks.   The original disk sequence are:
>
> /dev/sda1 /boot
> /dev/sda2 /
> /dev/sdb1  swap
> ...
>
> after I configured PERC 6/E disks and reboot, /dev/sda change to RAID disk and original /boot and / change to /dev/sde1 and /dev/sde2.
>
> My modprobe.conf is:
>
> alias scsi_hostadapter megaraid_sas
> alias scsi_hostadapter1 ata_piix
> alias eth0 bnx2
> alias eth0.1998 bnx2
> alias eth1 bnx2
>
> how to change sequence back?
>
>   

use disk labels rather than device names