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Setting Up and Using Your Computer 31
Another advantage of a RAID level 0 configuration is that it utilizes the full
storage capacities of the drives. For example, two 120-GB drives combine to
provide 240 GB of hard drive space on which to store data.
NOTE: In a RAID level 0 configuration, the size of the configuration is equal to the
size of the smallest drive multiplied by the number of drives in the configuration.
RAID Level 1 Configuration
A RAID level 1 configuration uses a data-redundancy storage technique
known as mirroring to enhance data integrity. When data is written to the
primary drive, the data is also duplicated, or mirrored, on the second drive in
the configuration. RAID level 1 sacrifices high data-access rates for its data
redundancy advantages.
hard drive 1
segment 1
segment 3
segment 5
hard drive 2
segment 2
segment 4
segment 6
serial ATA RAID
configured for
RAID level 0
book.book Page 31 Tuesday, November 27, 2007 10:29 AM