Which feature addresses this concern?

An IBM Storwize V7000 prospect has a rapidly growing SQL database and is interested in methods to maximize storage capacity efficiency.

Which feature addresses this concern?
A . Unmap
B . Easy Tier
C . Transparent cloud tiering
D . Data Reduction Pool

Answer: D

Explanation:

Reference: https://www.ibm.com/downloads/cas/L1VYBZGR