it seams to be something related to bug #459485. After a reinstalling karmic from cd it recognized my first 2 hdd's as a RAID.
-- Root Partition can't be found after upgrade to karmic https://bugs.launchpad.net/bugs/465478 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs