User's Guide

Configuring Your Storage and I/O Blade 4-5
RAID Levels
Characteristics of RAID Levels
The table below lists the characteristics of the RAID levels.
Level Function Redundancy Characteristics
RAID0 Striping No • Data read/write at the highest rate
• Largest capacity
• Capacity: (capacity of single HDD) ×
(number of HDDs)
RAID1 Mirroring Yes • Two HDDs required
• Capacity: capacity of single HDD
RAID5 Striping of both data
and redundant data
Yes • Three or more HDDs required
• Capacity: (capacity of single HDD) ×
((number of HDDs) - 1)
RAID6
Striping of both data
and redundant data
Yes
• Three or more HDDs required
• Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)