A data replication system having a redundant configuration including dual Fiber Channel fabric links interconnecting each of the components of two data storage sites, wherein each site comprises a host computer and associated data storage array, with redundant array controllers and adapters. The system...http://www.google.com.tw/patents/US6629264?utm_source=gb-gplus-share專利 US6629264 - Controller-based remote copy system with logical unit grouping
