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About RAID
RAID 10
This dual-level RAID type is created by using two or more equal-
sized RAID 1 arrays to create a RAID 0. Both read and write
performance are improved due to array striping. However, the
performance improvement costs additional storage space due to
the mirroring of the arrays.
Drive
RAID 1
RAID 1
Top-Level Arrays
Second-Level Arrays
Data 2
Data 4
Data 6
RAID 10
Data 2
Data 4
Data 6
Data 0
Data 2
Data 4
Data 6
Data 0
Data 3
Data 5
Data 7
Data 1
Data 3
Data 5
Data 7
Data 1
Data 3
Data 5
Data 7
Data 1
Drive
Drive
Drive
Data 0