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70 Chapter 8
A System With Seven Drive Modules
You can use the following RAID levels on an Xserve RAID system with seven drive modules:
m RAID 0
m RAID 1
m RAID 3
m RAID 5
m RAID 30
m RAID 50
Note: This list is representative but does not include all possible schemes.
RAID 0 Schemes
You can use RAID 0 several ways, depending on how you divide the drive modules across the
RAID controllers. If all of the modules are on one RAID controller, all drives can be striped
together.
If four modules are on one controller and three modules are on the other, the drives on each
controller can be striped together.
RAID 0
Stripe
Disk 1
Appears
as
RAID 0
Stripe Stripe
Disk 1 Disk 2
Appears
as