Asus PCI-DA2100 User Manual - Page 29

3 In the figure above, new drives are added to increase the capacity of a 4-Gigabyte RAID 5 logical drive. The two new drives increase the capacity to 8 Gigabytes. Mode 2 Expansion, on the other hand, requires the same number of higher-capacity SCSI hard disk drives for a given logical drive. RAID Expansion - Mode 2 (1/3) 2 GB 2 GB 2 GB The original logical drive RAID 5 (4GB) 2 GB 2 GB 2 GB 1 4 GB New Drive RAID 5 (4GB) Copy and Replace one of the member drives Copy and Replace each of the member drives. Even if one member drives fails during the Copy and Replace, the logical drive will still be available for access. In use Unused The figure above illustrates expansion of the same 4-Gigabyte RAID 5 logical drive using Mode 2 Expansion. Drives are copied and replaced, one by one, onto three higher-capacity drives. RAID Expansion - Mode 2 (2/3) 2 2 GB 2 GB 4 GB 4 GB New Drive RAID 5 (4GB) Copy and Replace the other member drives one by one until all the member drives have been replaced Copy and Replace each member drive. After all the member drives have been replaced, execute the "RAID Expansion" to use the additional capacity. In use Unused ASUS PCI-DA2100/PCI-DA2200 User's Manual 29