5. RAID System Configuration
Express5800/R120f-2E, T120f Maintenance Guide
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Chapter 2 Useful Features
9)
Select values for
Virtual Drive Name
,
Disk WC
, and
Read Ahead
.
9-1.
Virtual Drive Name
: Specify the name of the virtual drive. (Optional)
9-2.
Disk WC
: Specify the Disk Write Cache policy.
9-3.
Read Ahead
: Specify the Read Ahead setting.
Parameter
Remarks
Disable
Does not perform read ahead.
Enable*
Performs read ahead.
* Recommended
Note
For RAID 10, the virtual drive can be created only with the maximum size.
Parameter
Remarks
Enable*
Wright 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.
