Smart Array 5300 Controller User Guide

Drive Arrays and Fault Tolerance
RAID 1+0—Drive Mirroring
In this configuration, data is duplicated onto a second drive.
P1 P2
B1
B2
B3
B4
B1
B2
B3
B4
Figure D-5: Drive mirroring of P1 onto P2
When the array has more than two physical drives, drives are mirrored in pairs.
S1
S2
S1
S2
P1
P5
B5
B1
B1
B5
P2
P6
B6
B2
B2
B6
P3
P7
B7
B3
B3
B7
P4
P8
B8
B4
B4
B8
Figure D-6: Mirroring with more than two physical
drives in the array
D-6 HP Smart Array 5300 Controller User Guide
HP CONFIDENTIAL
Writer: Kimberly Koch File Name: m-appd drive arrays and fault tolerance.doc
Codename: SilverHammer Part Number: 135606-006 Last Saved On: 3/13/03 2:02 PM