NEC Express5800 User Manual page 84

4-34 Configuring Your Server
7.
Press F10 to create logical drive.
The [Logical Drives Configure] screen appears. (The figure below shows an example of
RAID1 configured with two hard disk drives.)
8.
Select "RAID", "Size", "DWC", "RA", or "Span" by using cursor keys. Then press Enter
to fix the selection and set each value.
(1) "RAID": Sets RAID level.
Parameter
0
1
(2) "Size": Sets logical drive size.
Up to 40 logical drives can be created per disk array controller.
(3) "DWC": Sets parameter for Disk Write Cache.
Parameter
Off (Recommended)
On
(4) "RA": Sets parameter for Read Ahead.
Parameter
Off (Recommended)
On
(5) "Span: Sets Span.
Parameter
SPAN=NO (Recommended)
SPAN=YES
* SPAN is not available since the CPU blade contains only two hard disk drives.
Description
RAID0
RAID1
Description
Write thru
Write back
Description
Does not perform read ahead.
Performs read ahead.
Description
Does not perform SPAN.
Performs SPAN.