Lenovo ThinkServer RD240 Software User's Manual page 264

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Figure 8.7 Create Drive Group Settings Screen
11. Select the following items on the Create Drive Group Settings
screen:
a. Select the RAID level desired for the drive group from the drop-
down menu. To make a spanned drive, select RAID 10, RAID 50,
or RAID 60 in the RAID level field.
Drive Group 0 and Span 0 appear in the Drive groups field
when you select RAID 10, 50, or 60.
The RAID controller supports RAID levels 1, 5, 6, 10, 50, and 60.
In addition, it supports independent drives (configured as RAID
0 and RAID 00). The screen text gives a brief description of the
RAID level you select. RAID levels you can choose depend on
the number of drives available. To learn more about RAID levels,
see Chapter 2, "Introduction to RAID."
b. Scroll down the menu for the Drive security method field if you
want to set a drive security method.
The FDE feature provides the ability to encrypt data and use
disk-based key management for your data security solution. This
Configuration