I believe Philip may be incorrect about the dmraid rule not belonging.
I have a RAID 5 disk with a GPT partition table. When only dmraid
runs, my drive is listed in /dev/mapper/drive but not its partitions.
If I then run 'kpartx -a /dev/mapper/drive' then my two partitions
appear as /dev/mapper/
After additional testing, I have determined that the UUID for MBR disks
are duplicated across two mappings and that the regular mapping is
dysfunctional. Thus for MBR disks I must point to /dev/mapper rather
than use UUID. Again, this could be fixed if we could only fire the
rule for GPT disks.
