单项选择题

Acustomerislookingtoadddiskstorage.Theyarenotsatisfiedw……

A customer is looking to add disk storage. They are not satisfied with their existing EMCCLARiiON CX4-240. Instead of adding storage to the CX4， the customer wants to add a newsystem and migrate the LUNs from the EMC to the new storage system over a 6 month period，and not have any system disruption during this time. They are also interested in consolidating diskstorage management. Given these specifications， which of the following solutions would satisfythis customer’s requirements？（）

A.DS5100 and SAN Volume Controller
B.DS5100 and Tivoli Storage Manager
C.2 DS5100 systems with Remote Mirroring
D.DS5100 and Tivoli Storage Productivity Center for Data

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