Toshiba Magnia 560S - Manual (Page 44)

RAID Levels 26
RAID Levels
RAID 1
In RAID 1, RAID Controller Kit-G duplicates all data from one drive to a second drive.
RAID 1 provides complete data redundancy, but at the cost of doubling the required
data storage capacity.
Uses Use RAID 1 for small databases or any other environment that
requires fault tolerance but small capacity.
Strong Points RAID 1 provides complete data redundancy. RAID 1 is ideal for any
application that requires fault tolerance and minimal capacity.
Weak Points RAID 1 requires twice as many disk drives. Performance is impaired
during drive rebuilds.
Drives Two.