Product manual
Chapter 7: Technology Background
253
Different types of disk arrays use different organizational models and have
varying benefits. The following outline breaks down the properties for each type
of RAID supported by Promise products.
From To
Increase Redundancy
Capacity Performance Add Lose
RAID 50 RAID 10 •
RAID 5 •*
RAID 1E •
RAID 0 • • •
RAID 10 RAID 50 •
RAID 5 •
RAID 1E •
RAID 0 • • •
RAID 5 RAID 50 •
RAID 10 • •
RAID 1E •
RAID 0 • • •
RAID 1E RAID 50 •
RAID 10 •
RAID 5 •
RAID 0 • •
RAID 1 RAID 50 • •
RAID 10 •
RAID 5 • •
RAID 1E •
RAID 0 • • •
RAID 0 RAID 50 • •
RAID 10 • •
RAID 5 •
RAID 1E • •
RAID 1 •
* Decreases the existing redundancy