Dell Precision T3400 (Late 2007) - Manual (Page 47)

About RAID Configurations
47
If a drive failure occurs, subsequent read and write operations are directed to
the surviving drives. A replacement drive can then be rebuilt using the data
from the surviving drives.
NOTE:
In a RAID level 10 configuration, the size of the configuration is equal to the
size of the smallest drive in the configuration multiplied by two.
Configuring Your Computer for RAID
At some point you may want to configure your computer for RAID if you did
not select a RAID configuration when you purchased your computer. You
must have at least two hard drives installed in your computer to set up a
RAID configuration. For instructions on how to install a hard drive, see "Hard
Drive" on page 191.
You can use one of two methods to configure RAID hard drive volumes. One
method uses the Intel RAID Option ROM utility and is performed before you
install the operating system onto the hard drive. The second method uses the
Intel Matrix Storage Manager, or Intel Matrix Storage Console, and this
method is performed after you have installed the operating system and the
hard drive 1
segment 1
segment 2
segment 3
hard drives 2, 3, and 4
segment 4
segment 5
segment 6
segment 1 striped across 4 drives
segment 2 striped across 4 drives
segment 3 striped across 4 drives
segment 4 striped across 4 drives
segment 5 striped across 4 drives
segment 6 striped across 4 drives
serial ATA RAID
configured for
RAID level 10