NEC Express5800/GT110b User's Guide Page 101

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Configuring Your Server 4-35
7. Press F10 to create virtual drive.
The "Virtual Drives Configured" 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 Remarks
0 RAID0
1 RAID1
10 Striping of RAID1
The selectable RAID level varies depending on the number of hard disk drives
that configure a pack.
(2) "Size": Sets virtual drive size.
Up to 8 virtual drives can be created per RAID Controller.
(3) "DWC": Sets parameter for Disk Write Cache.
Parameter Remarks
Off Write through
On *
1
Write back
*1 Recommended setting.
"Write-back On" enables good performance, however, cache data may be lost
at an unexpected power failure. "Write-back Off" reduces performance by
approximately 50%.
(4) "RA": Sets parameter for Read Ahead.
Parameter Remarks
Off Does not perform read ahead.
On Performs read ahead.
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