Mobile appliances are getting used in many areas. The explosive growth of the mobile appliance markets and requests of a lot of demands in mobile-related services lead many researches to apply for wired network environment services to mobile appliances. However, there are too many restrictions like connection failures to apply service that requires large scales of multimedia data, or services that require block unit I/O like large scale database to mobile devices. Using fail-over channel for the error recovery without any consideration of load processing status in each connection leads inefficient usage in wireless networks then it makes the quality of whole remote storage service down. In this paper, we propose an efficient load balancing method for iSCSI-based remote storage system  to efficiently distribute data to valid connections when the established connection is failed in large scale data transmission of mobile applicant which supports multi-connection .