Configuring Your Server 4-39
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)
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 or more HDDs required
•
Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
Содержание Express5800/140Rf-4
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Страница 397: ...9 64 Upgrading Your Server 6 Remove the CPU protect cover 7 Remove the dummy cover from the socket ...
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