3Ware 9550SXU-12 User Manual page 250

3DM 2 Reference
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Figure 107. Configuration Window in 3DM
For more detailed instructions, see "Configuring a New Unit" on page 101.
The drop-down list lists the possible RAID configurations for the drives
Type.
selected in the list of Available Drives. Available configurations may include
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, Single Disk, and
Spare Disk. For information about these configurations, see "Available RAID
Configurations" on page 6.
Depending on the size of the unit, a RAID 50 unit will contain 2 or more
subunits. For example, when you are configuring a RAID 50 with twelve
drives, an additional field appears, in which you select the number of drives
per subunit—3, 4, or 6.
Figure 108. Configuring a RAID 50 with 12 Drives
You can enter a name for the unit.
Name.
The drop-down list of stripe sizes lists the possible stripe sizes for the
Stripe.
configuration you selected in the RAID level drop-down.
The default stripe size of 64KB will give the best performance with
applications that have many sequential reads and writes. A larger stripe size
3ware SAS/SATA RAID Software User Guide, Version 9.5.1