Refer to the exhibit.

A customer has a Symmetrix VMAX storage array configured with FAST VP using three
storage tiers. Policies are active for all storage groups on the array. The array has been in
service for over 30 days. When using Unisphere for VMAX to check, the customer notices no
active ingress and egress of extents for the EFD tier. The current configuration of FAST is
shown in the exhibit. Which parameter should be changed?

A.
FAST VP Data Movement Mode

B.
Data Movement Mode

C.
Workload Analysis Period

D.
Min Initial Workload Period