Switching the LSI SAS controller to IT Mode
Description:
By default the motherboard contains the standard LSI HostRAID firmware. When using this firmware, the controller is not supported by the standard LSI driver in the Linux kernel.
An alternate LSI firmware is available that will allow it to work with the standard driver that ships with CentOS/RHEL.
!!! WARNING !!!
Upgrading this firmware will destroy any existing data on the disks.
Affected Platforms
- Lancelot 2869-SS
- Lancelot 3869-SS
- Lancelot 4869-SS
Procedure
The firmware update CD can be downloaded here:
ftp://ftp.aslab.com/pub/bios/lsi/lsi_x8dt3.iso
After burning the CD, follow these steps to upgrade the firmware:
- Boot the server from the CD
- Write down the old SAS address:
A> mptutil -q
- Clear the old firmware:
A> clear.bat
- Turn the system off
- Turn the system on
- Boot the server from the CD
- Program the new firmware:
A> x8dt3.bat
- When prompted, enter the 16 digit SAS address recorded earlier
- Wait for the firmware update to complete
- Power off the system
- Power off system and remove jumper JPS2
You should now be able to install CentOS without a driver disk.