Raid 1 - LSI MegaRAID Express 500 Hardware Manual

RAID 1

In RAID 1, MegaRAID Express 500 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.
RAID 1 provides complete data redundancy. RAID 1 is
Strong Points
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.
Two
Drives
20 MegaRAID Express 500 Hardware Guide