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.