HP Xw8400 Workstation RAID Support - Page 8

RAID 10 Arrays (Striping and Mirroring) Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Logical Drive Size = Half of total physical capacity RAID 10 = Stripe + Mirror •Provides read performance of RAID 0 •Protects against single HDD failure •Provides write performance of RAID 1 •Requires minimum of four drives Data written to all drives as multiple mirrored arrays Mirrored Array Mirrored Array Block 1 Block 3 Block 5 Block 7 Block 9 Block 11 Block 13 Block 15 Drive A Block 1 Block 3 Block 5 Block 7 Block 9 Block 11 Block 13 Block 15 Drive B Block 2 Block 4 Block 6 Block 8 Block 10 Block 12 Block 14 Block 16 Drive C Block 2 Block 4 Block 6 Block 8 Block 10 Block 12 Block 14 Block 16 Drive D Physical Drives 8