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Hardware
336
RAID Level
This section describes particulery the characteristics of the RAID levels suppurted by the RAID
controller (MegaRAUD).
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 redundsant data
Yes
· Three HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs)-1)
RAID6
Striping of both data
and redundsant 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 HDDs required
· Capacity: (capacity of single HDD) ×
((number of HDDs) - 2)
Содержание Express5800/A1080a
Страница 87: ...87 Memo ...
Страница 292: ...Hardware 292 3 BIOS Menu screen is displayed ...
Страница 302: ...Hardware 302 Note 1 Enable is set only for slot 1 and slot 14 at factory shipment ...
Страница 348: ...Hardware 348 Display Screen for WebBIOS Physical Drives Property Screen for Universal RAIDUtility Physical Devices ...
Страница 351: ...Hardware 351 3 BIOS will start Select Save Exit then press Enter ...
Страница 377: ...Hardware 377 6 Select Home at the lower left of the screen and press Enter to go back to WebBIOS Home Menu ...
Страница 442: ...Hardware 442 5 6 ...
Страница 453: ...Hardware 453 IMPORTANT This customer data differs from the customer data of the system web console ...
Страница 473: ...Hardware 473 Screen for changing keyboard layout in Java Console ...
Страница 519: ...Hardware 519 Then input User Name for Authentication and select Keyboard interactive Then input Password ...
Страница 554: ...Hardware 554 Memo ...
Страница 565: ...Software 565 Memo ...
Страница 668: ...Operation and Maintenance 668 Memo ...
Страница 696: ...XXVIII Memo ...