A customer has created a pool with a Flash tier, a SAS tier and a NL SAS tier. The customer
notices that there has been no data movement between the tiers after 24 hours. What would
account for this behavior?

A.
FAST has not been enabled.

B.
Statistics logging has not been enabled.

C.
The SAS tier is under 90 percent capacity.

D.
The Flash tier is over 90 percent capacity.