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