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)
Summary of Contents for Express5800/140Rf-4
Page 7: ......
Page 8: ......
Page 9: ......
Page 20: ...x This page is intentionally left blank ...
Page 186: ...4 88 Configuring Your Server 3 Setting menu for VD 0 is displayed ...
Page 194: ...4 96 Configuring Your Server This page is intentionally left blank ...
Page 226: ...5 32 Installing the Operating System with Express Setup This page is intentionally left blank ...
Page 264: ...7 18 Maintenance This page is intentionally left blank ...
Page 413: ...C 4 This page is intentionally left blank ...
Page 457: ...E 22 Installing Windows Server 2003 This page is intentionally left blank ...