Modules
7 - 4 Setting Up SATA RAID or AHCI Mode
7
Prepare the following before setting up your serial ATA hard disks in RAID mode (to con-
figure AHCI mode you do not need to prepare any extra hard disks but will need to install
the Intel® Rapid Storage Technology application):
1. The Microsoft Windows 7 OS DVD.
2. A hard disk installed in the Primary HDD bay.
AND
For RAID levels 0/1/Recovery: A second (identical) hard disk installed in the
Primary HDD bay.
For RAID level 5: A third (identical) hard disk installed in the Secondary HDD bay.
3. The Device Drivers & Utilities + User’s Manual disc.
4. A USB Flash drive or external USB hard disk drive with the RAID folder from the Device
Drivers & Utilities + User’s Manual copied on to it.
Array Types
A Mirrored Array (RAID 1) provides full data protection, as data can simply be copied from
a healthy disk to a replacement for any failed disk.
A Striped Array (RAID 0) is NOT fault-tolerant. The failure of one drive will result in the loss
of all data in the array. It is designed to increase disk performance by spreading the I/O load
across the channels and drives.
A Parity Across Disks (RAID 5) provides full data protection and increased performance.
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