Hardware
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RAID Level
This section describes particulery the characteristics of the RAID levels suppurted by Internal
RAID Controller .
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 redundsant data
Yes · Three HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs)-1)
RAID6
Striping of both data
and redundsant data
Yes · Three or more HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) / 2)
RAID10
Spanning of RAID1 Yes · Four or more HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) / 2)
RAID50
Spanning of RAID5 Yes · Six HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
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