Characteristics Of Raid Levels - NEC N8100-1417F User Manual

RAID Levels

Characteristics of RAID Levels

The table below lists the characteristics of the RAID levels.
Level Function
RAID0 Striping
RAID1 Mirroring
RAID5 Striping of both data
and redundant data
RAID6 Striping of both data
and redundant data
RAID10 Striping of RAID1
RAID50 Striping of RAID5
IMPORTANT:
install the optional N8103-119 RAID Upgrade Kit.
Redundancy
No
Yes
Yes
Yes
Yes
Yes
To use RAID 5 or RAID 6, you need to additionally
Configuring Your Server 4-25
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 or more 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 or more HDDs required
•
Capacity: (capacity of single HDD) ×
•
((number of HDDs) - 2)