User’s Guide
12
RAID 3 Disk Striping with Dedicated Parity Disk
Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Block 7
Block 8
.
.
Logical Drive
Physical Disks
Block 1
Block 3
Block 5
Block 7
Block 2
Block 4
Block 6
Block 8
Striping
Parity (1,2)
Parity (3,4)
Parity (5,6)
Parity (7,8)
Dedicated
Parity
.
.
.
.
.
.
RAID 3
Minimum Disks required
3
Capacity
N-1
Redundancy
Yes
RAID 3 performs Block Striping with Dedicated Parity. One drive
member is dedicated to storing the parity data. When a drive member
fails, the controller can recover/regenerate the lost data of the failed
drive from the dedicated parity drive.
Summary of Contents for AcerAltos 3102RS
Page 1: ...AcerAltos 3102RS AcerAltos 3102RS Ultra SCSI to Ultra SCSI RAID Controller User s Guide ...
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Page 55: ...Chapter 3 Functional Descriptions 37 Drive E now has a capacity just under 1800MB ...
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Page 64: ...User s Guide 46 Insert RAID Controller Main Board Daughter Board Insert ...
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Page 296: ...User s Guide G 2 ...