A customer has an existing IBM XIV Gen3 solution with 3 TB drives and nine modules. While performance is acceptable, the customer wants to increase the performance of small-block reads. The current nine modules are running at 60% of capacity
Which solution should the technical specialist recommend?
A . Add three more data modules to improve performance
B . Add an IBM Flash System 900 as a separate pool
C . Add the SSD caching option on five modules
D . Add the SSD caching option on all nine modules
Answer: D