LSI 1600 User Manual
MegaRAID Enterprise 1600 Hardware Guide
18
RAID 1
In RAID 1, MegaRAID 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.
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.
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.
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.
impaired during drive rebuilds.
Drives
Two