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