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How many independent parity schemes are utilized for a RAID 6 array?
A. 1
B. 2
C. 4
D. 6
Correct Answer: B
Explanation/Reference:
Industry Standard Architecture – Student Guide 1 – Page 262:
RAID 6 performance
RAID 6 employs two independent parity schemes. Two sets of parities must be modified for each logical write operation, which requires six physical transfers—three reads and three writes.
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