
4-26 Configuring Your Server
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
Striping of RAID1
Yes
•
Four or more HDDs required
•
Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
RAID50
Striping of RAID5
Yes
•
Six or more HDDs required
•
Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
IMPORTANT:
To use RAID 5, RAID 6, or RAID 50 with Internal
RAID Controller (equivalent to N8103-116A), you need to additionally
install the optional N8103-119 RAID Upgrade Kit.
Summary of Contents for Express5800/T120a-E N8100-1531F
Page 56: ...2 26 General Description This page is intentionally left blank ...
Page 70: ...3 14 Setting Up Your Server This page is intentionally left blank ...
Page 125: ...Configuring Your Server 4 55 Property of Physical Device of Universal RAID Utility ...
Page 178: ...4 108 Configuring Your Server This page is intentionally left blank ...
Page 276: ...6 26 Installing and Using Utilities This page is intentionally left blank ...
Page 290: ...7 14 Maintenance This page is intentionally left blank ...
Page 416: ...9 70 Upgrading Your Server This page is intentionally left blank ...
Page 428: ...A 4 Specifications This page is intentionally left blank ...
Page 436: ...C 2 IRQ This page is intentionally left blank ...
Page 475: ...Installing Windows Server 2008 D 39 4 Activate Windows The Windows activation is complete ...
Page 538: ...G 2 Using a Client Computer Which Has a CD Drive This page is intentionally left blank ...
Page 542: ...H 4 Product Configuration Record Table This page is intentionally left blank ...