Hardware
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
Striping
RAID0
RAID1
Mirroring
RAID5
Striping of both data
and redundsant data
Striping of both data
RAID6
and redundsant data
Spanning of RAID1
RAID10
RAID50
Spanning of RAID5
Function
Redundancy
No
Yes
Yes
Yes
Yes
Yes
Characteristics
· Data read/write at the highest rate
· Largest capacity
· Capacity: (capacity of single HDD) ×
(number of HDDs)
· Two HDDs required
· Capacity: capacity of single HDD
· Three HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs)-1)
· Three or more HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) / 2)
· Four or more HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) / 2)
· Six HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
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