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72 Chapter 8
RAID 3 and 5 Schemes
You can use RAID 3 or 5 with or without a drive module designated as a hot spare. You can
use RAID 3 or 5 with four drive modules on one controller and three on the other or with all
the modules on one RAID controller. If a hot spare is used, it serves all arrays on the
controller where the spare is located.
RAID 3 or 5
RAID 3 or 5
RAID 3 or 5
RAID 3 or 5 Hot spare
RAID 3 or 5
RAID 3 or 5 RAID 3 or 5
RAID 3 or 5
RAID 3 or 5 RAID 3 or 5
Hot spare
Disk 1 Disk 2
Appears
as
Disk 1 Disk 2
Appears
as
Disk 1
Appears
as
Disk 1
Appears
as