[ltp] raid1 on thinkpad A31

[Andy Firman]

I just learned how to run a full system on Linux software
RAID1 and would like to do this with my Linux Thinkpad.
(i.e. root on raid1)

My question is about IDE controllers on Thinkpads.

/dev/hda is my first 40GB IDE drive.
/dev/hdb is my second 40GB IDE drive.
/dev/hdc is my cdrom.

I just pulled the cdrom and put in my second IDE drive
in its place and it works fine on /dev/hdc.

For a proper RAID1 mirror, it is best to have the 2 drives
on different controllers.  If they are both on the same
controller, and that controller dies, you can't boot.

I have no idea what the controllers are like on a 
Thinkpad motherboard and assume there is no /dev/hdd.

Are hda, hdb, and hdc all on the same controller?

Any other comments on my Thinkpad RAID1 project are welcome.

Thanks.
Andy