Applies to ONTAP 9 Storage Area Network (SAN) Logical Unit Number (LUN) Answer Yes, its possible but it can introduce performance issues across the hosted LUNs and also impact space utilization. The B...Applies to ONTAP 9 Storage Area Network (SAN) Logical Unit Number (LUN) Answer Yes, its possible but it can introduce performance issues across the hosted LUNs and also impact space utilization. The Best Practice recommendation is a 1:1 ratio, (1) LUN for each individual volume. Additional Information Single volume hosting multiple LUNs reporting high latency What is the proper configuration for a volume containing a LUN?