Described are a system and method of migrating data stored in logical units of storage (LUNs) at a plurality of source arrays into one destination storage array transparently with respect to a host communicating with the source storage arrays through a switch. During a data migration event, data stored in a LUN of a first source storage array are copied to a first corresponding LUN of the destination storage array and data stored in a LUN of a second source storage array are copied to a second corresponding LUN of the destination storage array.