Public bug reported:
I just tried the Ubuntu 9.04 Alpha 2 Alternate CD and it did not
recognise my RAID partition. Ubuntu 8.10 had no problem recognising my
RAID partition. I'd like to add that when I tried upgrading dmraid to
1.0.0.rc15 in Ubuntu 8.10, my system wouldn't boot - I had to
SOme issues have been found with dmraid since the last alpha release,
alpha 2. These issues are hopefully fixed by an update that was recently
made to the dmraid package, in addition, there is a new alpha release
due out this Thursday, so if you could please wait and try the alternate
CD for that