part raid.10 --size=200 --asprimary --ondisk=sda
part raid.11 --size=5000 --asprimary --ondisk=sda
part raid.20 --size=200 --asprimary --ondisk=sdb
part raid.21 --size=5000 --asprimary --ondisk=sdb
raid /boot --level=1 --device=md0 --fstype=ext3 raid.10 raid.20
raid pv.01 --level=1 --device=md1 --fstype="physical volume (LVM)" raid.11 raid.21
results in this disk layout
[code]
Device Boot Start End Blocks Id System
/dev/sda1 1 638 5120000 fd Linux raid autodetect
Partition 1 does not end on cylinder boundary.
/dev/sda2 * 638 664 204800 fd Linux raid autodetect
Partition 2 does not end on cylinder boundary.[/code]