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RAID 0 (select models only)
Select computer models with two hard drives ship in a RAID 0 configuration. RAID benefits
users who frequently work with large files and want to improve the storage performance of
their computer. With RAID 0, data is distributed across both drives. This allows data,
especially large files, to be read faster, because data is read simultaneously from both
drives. However, RAID 0 offers no fault tolerance, which means that the entire array fails if
one drive fails.
To enhance the write performance of RAID 0, Intel® Rapid Storage Technology has
implemented a volume write-back cache. The volume write-back cache allows writes to be
buffered and improves coalescing. The cache is enabled by default and can be disabled or
reenabled in Intel Rapid Storage Technology. An Uninterrupted Power Supply (UPS) is
recommended for use if the cache is enabled.
Disabling RAID 0
CAUTION:
hard drive. All files you have created and any software installed on the computer are
permanently removed. Before you disable RAID 0, be sure to back up your information and
create a set of recovery discs. Refer to
information.
To disable RAID 0:
1.
Create a set of recovery discs. The hard drive contents will be completely erased after
disabling RAID 0. Refer to
For a full image recovery, be sure that you have the service recovery discs. For a
minimized factory image recovery, be sure that you have the set of recovery discs you
created with Recovery Manager.
NOTE:
this computer must be downloaded from the manufacturer's Web site or reinstalled
from the disc provided by the manufacturer.
2.
Turn on or restart the computer. While the "Press the ESC key for Startup Menu"
message is displayed in the lower-left corner of the screen, press esc. When the
Startup Menu is displayed, press f10.
3.
Use the arrow keys to select System Configuration, and then change RAID OROM
UI to enable.
4.
Use the arrow keys to select Exit > Exit Saving Changes, and then click Yes to save
your change and restart the computer.
5.
When the POST screen opens, press
6.
In the Main menu, use the up or down arrow key to select 3. Reset Disks to Non-
RAID, and then press enter. The Reset RAID Data window is displayed.
7.
Press the spacebar to select the first hard drive, and then press the down arrow key
and the spacebar to select the second hard drive.
74
Appendix A RAID 0 (select models only)
Disabling RAID 0 completely erases hard drive contents and reformats the
Backup and recovery on page 63
Make sure that you back up all personal files. Software not provided with
Backup and recovery on page 63
ctrl+I
to enter the configuration utility.
for additional
for more information.
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