Asus PCI-DA2200 User Manual page 89

IMPORTANT:
The Rebuild function will appear only when a logical drive (with RAID
level 1, 3 or 5) has a failed drive member.
Refer to "3.2.3 Automatic Rebuild and Manual Rebuild" for more
information.
8.2.8 Dynamic Logical Drive Expansion
From the main menu, select "View and Edit Logical Drives." The
logical drive that you wish to expand will be displayed. Move the
cursor to that logical drive (if there is more than one) and press
[Enter] to select it.
ASUS PCI-DA2200 User's Manual
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