Computer Drive User Manual

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RAID
Your product can be set up as RAID 1 (mirrored). "Mirrored" means that each
of the two drives in your array store the same data, providing protection
against the failure of one drive; however, when the drive appears on your
computer, it will be recognized as a single hard drive.
NOTE: Although the box indicates two hard drives are included, the total
capacity in RAID 1 mode will not equal the sum of the two because the
second drive is used as a "backup" of the first drive. (e.g. two 250GB drives
do not have a 500GB capacity. Instead, only 250GB is available for storage,
while the other 250GB is a backup of that data.)
The drive is not preset in RAID mode (it is preconfigured in SPANNING
mode). To change the product settings, please refer to the next section.