Not sure if a bug or not, however if you have any raid disks in your system they are seen and can be mounted,used,viewed etc.
BUT! if you choese the option to remove unused drivers at install time, it removes dmraid.

Looking good to all those involved!!!!

Just one major bug I've found is my dvd drives dont work .

filled a bug here https://bugs.mageia.org/show_bug.cgi?id=5536
Keep up the good mageia team! Think this will be replacing mandriva as my main OS.
Pete