5. RAID System Configuration
Express5800/R110i-1, T110i-S, T110i Maintenance Guide
148
Chapter 2 Useful Features
5) Specify
values
for
Virtual Drive Name
,
Virtual Drive Size
,
Virtual Drive Size Unit
,
Disk
WC
, and
Read Ahead
.
5-1.
Virtual Drive Name
: Specify the name of the virtual drive. (Optional).
5-2.
Virtual Drive Size
: specifies 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