At the Beginning of the VTL6900 System Input, You Need

At the beginning of the VTL6900 system input, you need to prepare the physical device. As shown in the figure, the VTL6900 is the cut-off point of a physical device node on the VTL console. On the physical equipment to prepare this step, which description is correct? (multiple choice)

A) The equipment in the picture has completed the equipment preparation step
B) The corresponding LUN in the figure is a LUN created on the service hard disk of the engine
C) Change the equipment status is normal
D) The process of preparing a physical device is the process of virtualizing a LUN mapped from an array, similar to a quick format