49
STRIPING
Striping (RAID 0) is a performance-oriented, non-redundant data mapping
technique. It combines multiple hard drives into a single logical unit. Instead of
seeing several different hard drives, the operating system sees only one large
drive. Striping splits data evenly across two or more disks simultaneously,
dramatically increasing performance.
Striping can be implemented in disks of differing sizes, but the storage space
added to the array by each disk is limited to the size of the smallest disk. For
example, if a 220 GB disk is striped with a 200 GB disk, the size of the array will
be 400 GB. Striping is typically used for high performance applications, such as,
video editing, video playback, and 3D multimedia design. Although Striping is an
easily implemented, simple configuration, Striping should never be used for
mission critical applications.
Logical Drive
Physical Drive
READ
WRITE
A
B
C
D
E
F
G
H
A
C
E
G
B
D
F
H
Data
A
B
C
D
E
F
G
H
Host
RAID
CONTROLLER
9GB
9GB
=
+
18GB
Read/ Write
Hard Disk
RAID
In Striping mode, if one disk in the RAID System fails, all data in both
installed disks will be lost.