Which option describes mirrored LUNs?

Which option describes mirrored LUNs?

A.
They are available only with the data reduction nodes.

B.
They are available in only the Cisco UCS Invicta Scaling Solution

C.
They are available in only the Cisco UCS Invicta Appliance.

D.
They are available in the Cisco UCS Invicta Appliance and Scaling Solution.