raidframe notes

1. Use disklabel to create a single partition of type "RAID" for each element (disk) of the array.
2. Create a simple config file (see the raidctl manual page for details).
3. raidctl -C config_file_name raid0
4. raidctl -I serial_number raid0
5. raidctl -A yes raid0
6. raidctl -i raid0
7. newfs /dev/raid0a