Same here.  /dev/md1 isn't initialized during boot with the last two kernels.  The last kernel that works for me is 2.6.25-0.93.rc4.fc9.


# mdadm.conf written out by anaconda
DEVICE partitions
MAILADDR root
ARRAY /dev/md0 level=raid1 num-devices=2 uuid=e75de800:31257732:ecaedc25:29b17f1a
ARRAY /dev/md1 level=raid1 num-devices=2 uuid=4bce5ece:cd293f5a:42eb9fc2:95021c36