Configuring Your Server 4-25
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)
IMPORTANT:
To use RAID 5 or RAID 6, you need to additionally
install the optional N8103-119 RAID Upgrade Kit.
Содержание Express5800/120Rj-2
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Страница 140: ...4 50 Configuring Your Server Use this menu to define several physical drives PD as a disk group DG ...
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Страница 350: ...9 74 Upgrading Your Server Removal Remove the backup device in reverse order of the installation steps ...
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