System Setup 95
About RAID Configurations
This section provides an overview of the RAID configuration that you might
have selected when you purchased your computer. Of the RAID
configurations available in the computer industry for different uses, Dell
offers RAID level 1 on your computer. A RAID level 1 configuration is
recommended for users who desire a high level of data integrity.
The Intel RAID controller on your computer can only create a RAID level
configuration using two physical drives. The drives should be the same size to
ensure that the larger drive does not contain unallocated (and therefore
unusable) space.
NOTE: If you purchased your Dell computer with RAID, your computer has been
configured with two hard drives that are the same size.
Verifying That RAID Is Working
Your computer displays information pertaining to your RAID configuration at
startup, before loading the operating system. If RAID is not configured, the
message none defined will be displayed under RAID Volumes, followed
by a list of the physical drives installed in your system. If a RAID volume is
identified, you can then check the Status field to determine the current state
of your RAID configuration. The Status field contains information about the
following conditions:
•
Normal
— Your RAID configuration is functioning properly.
•
Degraded
— One of your hard drives has failed. The computer is still
bootable; however, RAID is not functioning and data is not being copied to
the other drive.
•
Rebuild
— Following a degraded condition, the computer has detected
the replacement/connection of a secondary hard drive and will
automatically restore the RAID configuration the next time the operating
system loads.
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