easyRAID X12P F2R4, User Manual

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1-110
Introduction
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RAID
Level
Common
Name
Description
Array’s
Capcit
y
Data
Reliabiity
Data
Trasfer
Capacity
0
Disk
Striping
Data distributed across the
disks in the array.
No redundant infromation
provided.
(N)
disks
Low Very
High
1 Mirroring All data Dulicated 1 * disk
Very
High
High
3
Parallel
Transfer
Disks with
Parity
Data sector is subdivided
and distributed across all
data disk. Redundant
information stored on a
dicated partiy disk (N-1)
disks
Very
High
Highest
of all
listed
alternatives
5
Independent
Access Array
with Rotating
Paridy
Data sectors are distributed
as with disk striping,
redundant information is
interspersed with user data. (N-1)
disks
Very
High
Very
High