
Since parity data is fairly small when compared to the size of the actual stored data, the equivalent of one hard drive can serve as a parity drive for any number of
serial ATA RAID configured for
RAID level 5
half of data block 1 half of data block 2 parity data for block 3 half of data block 4 half of data block 5 parity data for block 6
hard drive 1
half of data block 1 parity data for block 2 half of data block 3 parity data for block 4 half of data block 5 half of data block 6
hard drive 2
parity data for block 1 half of data block 2 half of data block 3 half of data block 4 parity data for block 5 half of data block 6
hard drive 3
Because data is striped across the RAID configuration, as it is in a RAID 0 configuration, it can be quickly accessed. Also, because of the parity data, if only a single drive fails, that drive can be rebuilt using the parity data on the other drives. The amount of storage space available to three
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Advanced Features