Buffalo HD-QLSU2R5 DriveStation Quad Manuel D'utilisation page 6

The RAID Utility allows you to configure your DriveStation Quad in several
modes:
Normal Mode - Appears to your computer as four separate hard drives. Note
that normal mode only works with a USB connection. With an eSATA connection,
only one drive will be visible.
Spanning Mode - Appears to your computer as one large hard drive.
RAID 0 Mode - Appears to your computer as a single drive. Higher performance
than Spanning Mode.
RAID 5 Mode - Appears to your computer as a single drive. Approximately 3/4 of
your total space is usable, yet you still have full redundancy.
RAID 10 Mode - Combines RAID 1 and RAID 0 for a fast, secure array. Half of
the DriveStation's total capacity is used for redundant information.
Notes :
・ Changing the RAID mode of the drives in your Quad will erase all data on them!
Back up any important data before using the RAID utility.
・ Your computer must be connected to the DriveStation via USB to change the
RAID mode.
On a PC, You may launch the RAID Utility by clicking on [RAIDUtility] in the
DriveStation Quad program group.Or, you can launch the program from the Start
menu.
On a Mac, Double-click [RaidUtility] icon on your desktop.
Using the RAID Utility
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