Which addition to the existing system should the technical specialist propose?

A customer has an existing mainframe environment with an IBM DS8884 attached. This frame is only partially populated. The customer is attaching existing IBM POWER servers that require a three-tier storage solution including SSDs. Electrical power is not readily available. Price is also a key criteria.

Which addition to the existing system should the technical specialist propose?
A . Add an IBM Storwize V5030 in a new rack.
B . Add an IBM SAN Volume Controller along with an IBM Storwize V7000.
C . Add IBM Spectrum Scale in front of the IBM DS8884 along with additional disks in the IBM DS8884.
D . Add drive sets to the IBM DS8884.

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Answer: B