An IBM Tivoli Storage Manager V6.2 system administrator observes that deduplication is not happening for the storage pool DEDUPPOOL. The activity log shows that DEDUPPOOL is not enabled for deduplication. What is the best way to enable deduplication on the DEDUPPOOL?

A.
Start the identify process to startdeduplication.

B.
Redefine the DEDUPPOOL with DEDUPLICATE=YES.

C.
Use the command COPY ACTIVEDATA DEDUPPOOL.

D.
Run update DEDUPPOOL by specifying the parameter DEDUPLICATE=YES.