5. RAID System Configuration
Express5800/R120f-1E Maintenance Guide
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Chapter 2 Useful Features
5-1.
Virtual Drive Name
: Specify the name of the virtual drive. (Optional)
5-2.
Virtual Drive Size
: Specify the capacity of the virtual drive.
5-3.
Virtual Drive Size Unit
: Specify the unit (MB/GB/TB) used for
Virtual Drive Size
.
5-4.
Disk WC
: Specify the Disk Write Cache policy.
Parameter
Remarks
Enable*
Write back
Disable
Write through
* Recommended
For this server, Setting
Enable
is recommended for good performance. Note, however,
that cached data may be lost at an unexpected power failure.
Selecting
Disable
degrades performance by approximately 50%, comparing with the
Enable
setting.
5-5.
Read Ahead
: Specify the Read Ahead setting.
Parameter
Remarks
Disable
Does not perform read ahead.
Enable*
Performs read ahead.
* Recommended
6)
When all the settings are completed, select
Save Configuration
.
Note
You may select either of the upper or lower
Save Configuration
which is provided at two
locations.
7)
Select
Yes
, and then select
OK
on the next screen. A virtual drive is created.