You Are Attempting to Add Multiple Devices to a Single

You are attempting to add multiple devices to a single storage pool. Which restriction is enforced by the ScaleIO CLI?

A) Storage pool must be deactivated first
B) Devices to be added must be in servers within the same protection domain
C) Devices to be added must have the same "Vendor ID" and "Product ID"
D) Devices to be added must have the same capacity that matches the capacity of all existing devices in the storage pool