Adaptec SATA AND SCSI RAID CONTROLLERS Manuel d'utilisateur télécharger pdf (Page 145)

E-4

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

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

Data 0

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 164 165

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Adaptec SATA AND SCSI RAID CONTROLLERS Manuel d'utilisateur Page 145