RAID and Subsystem Architectures RAID Configurations
RAID 0 – Block Striping
Unused space
File 3 File 2 File 1
Reliability Read Performance
Write Performance
Block B5 Block C3
Block A5 Block A9 Block B1
Block A1
Block B6
Block A6 Block A10 Block B2
Block A2
Block C1
Block A7 Block A11 Block B3
Block A3
Block C2
Block A12 Block B4
Block A4 Block A8
RAID 0 (striping): Data is striped in blocks across multiple disks Increases read and write performance because drives cooperate to read and write different “pieces” of the data Does not provide any redundancy; used solely for performance gain