HP NetRAID Installation and Configuration Guide

Chapter 2 RAID Overview
23
Data Protection
(Redundancy)
Required?
Complete
Duplication
Required?
Typical
Data
Transfers?
Number of
Disk Drives?
RAID 1
RAID 10
RAID 0
Large,
Serial
Transfers
Yes
Yes
No
No
Small,
Random
Transfers
Number of
Disk Drives?
RAID 3 RAID 30
3 - 5
Disks
2
Disks
4, 6, or 8
Disks
6 - 32
Disks
Number of
Disk Drives?
RAID 5
RAID 50
3 - 5
Disks
6 - 32
Disks
Start
Figure 2-4. Decision Tree for Choosing a RAID Level