单选题Which of the following statements is mot correct about mirroring?（）AMirroring, with the write-verify option turned on, can be used to increase performance.BMirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.CMirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.DMirroring, with maximum inter-disk allocation policy, is used to enhance availability.
单选题
Which of the following statements is mot correct about mirroring?（）
A
Mirroring, with the write-verify option turned on, can be used to increase performance.
B
Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
C
Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
D
Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.
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