Installation and configuration of the HP NetRAID, NetRAID-1 and NetRAID 3Si Adapters

Chapter 2 RAID Overview
25
Data Protection
(Redundancy)
Required?
Complete
Duplication
Required?
Typic al
Data
Transfers?
Number of
Disk Drives?
RAID 0
RAID 1 RAID 10
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
6-24
Disks
Number of
Disk Drives?
RAID 5
RAID 50
3-5
Disks
6-24
Disks
Start
Figure 2-4. Decision Tree for Choosing a RAID Level