Scrap last comment, with update package from -proposed the device names are correctly preserved across reboots as /dev/md_d1, /dev/md_d1p1 and /dev/md_d1p2. So everything is fine with respect to partitionable raids now.
Scrap last comment, with update package from -proposed the device names are correctly preserved across reboots as /dev/md_d1, /dev/md_d1p1 and /dev/md_d1p2. So everything is fine with respect to partitionable raids now.