Abstract: A gateway between the block storage environment of an FC SAN and the object-oriented environment of cloud storage. The gateway contains a database or table to maintain a mapping between the blocks of the LUNs presented on the FC SAN and the objects of the cloud storage. The gateway also performs the necessary conversions between the block and object formats of the two networks. The gateway can obtain the FC frames either by redirection of an existing LUN or by creation of a virtualized LUN. In certain embodiments the gateway includes asynchronous mirroring functionality to allow non-real time duplication, which allows for lower speed connections to the cloud storage.