单项选择题

While discussing the customer’s environment the storage specialist discovers that the customerhas both Windows and UNIX servers running various applications. The customer is looking for acost effective 10 TB solution that includes a mirrored site to meet their Disaster Recovery plan.Which of the following solutions should be recommended？（）

A.DS5020 system running Metro Mirror and Volume Copy
B.Storwize V7000 running FlashCopy and Volume Copy
C.DS5020 system runningFlashCopy and Enhanced Remote Mirror
D.DS5300 system runningFlashCopy and Enhanced Remote Mirror

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