
101
10 A combination
of RAID 1 and
RAID 0. Use
for medium-
sized
databases or
any
environment
that requires a
higher degree
of fault
tolerance and
moderate to
medium
capacity.
Provides
both high
data
transfer
rates and
complete
data
redundancy.
• More disk
space
required.
• Reduces
usable disk
space to the
size of the
smallest
drive.
• Reduced
performance
during
rebuilds.
Four Yes
Level
Description
and use
Pros Cons
No. of
Drives
Fault
Tolerant
AA G320_UG_EN.book Page 101 Tuesday, August 30, 2005 2:34 PM