Determine the physical disk information behind LUNs in VMAX

How can we determine the physical disk information behind LUNs in VMAX?  The Thin LUNs are bound to an SRP and SRP is comprised of all the think pools and disk groups.

How do we determine which LUN is writing to what type of device? Is there any command which gives us the same? Or do we determine based on the Tier information or FAST policy information