A customer will only lease their storage with 4-year lease agreements, to assure their storage
stays current. With a continuous turnover of storage, it is critical to have an easy migration plan.
Which of the following configurations would allow for the easiest migrations?

A.
Utilize DS4000 storage and migrate data by moving the EXP boxes to new controllers.

B.
Utilize SVC and disk migration functions to move data.

C.
Use the new disk migration function on DS5000 to move data to a new DS5000

D.
Use DS4000 storage and ERM to move data to the new boxes as they come in.