Asus PCI-DA2200 - Manual (Page 291)

ASUS GUI RAID Manager: Array Management
4-40 4.16 Dynamic Logical Drive Expansion
This results in a new 4-Gigabyte, RAID 5 logical drive
composed of three physical drives. The 4 Gigabytes of
increased capacity is in a new partition.
RAID Expansion - Mode 2
(2/3)
2
Copy and Replace the other member drives one by one
until all the member drives have been replaced
4 GB
New
Drive
2 GB
RAID 5 (4GB)
2 GB 4 GB
In use
Unused
Copy and Replace each member drive. After all the
member drives have been replaced, execute the
“RAID Expansion” to use the additional capacity.
RAID Expansion - Mode 2
(3/3)
3
RAID 5 (4GB)
4 GB 4 GB 4 GB
RAID
Expansion
RAID 5 (8GB)
or
RAID 5 (8GB)
n partitions
Partition n+1
In use
Unused
After the RAID Expansion, the additional capacity
will appear as another partition. Adding the extra
capacity into the existing partition requires OS
support.