I've the same motherboard as you do and I tried raid0 with two IBMs 40 GB
with RedHat 7.2.
The problem is RedHat 7.2 hasn't got the ataraid and the pdcraid (the ones
you need) modules on the bootdisks nor is it compiled into the kernel.
I tried to change bootdisks myself, but somehow it didn't work; after startup
it reloads the modules and it didn't see the raid device.
So I installed RedHat 7.2 on a separate disk, compiled a new kernel (2.4.17)
with all neccesary options and used the patched lilo-version. And afterwards
copied everything to the raid-partition.
>From thereon it worked, however (un-)mounting the device is very slow and
also the "checking initial root filesystems" on startup, it takes up to
several minutes to complete. In the meanwhile I got a lot of multiboot errors
in my /var/log/messages from the first harddisk (hde):
hde: set_multmode: status=0x51 { DriveReady SeekComplete Error }
hde: set_multmode: error=0x04 { DriveStatusError }
So I stopped using the raid device and decided to wait for a better version
of the driver.
I hope you have some information now on how to make it work.
If you get better results, will you let me know?
mathieu
