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System for data replication using redundant pairs of storage controllers, fibre channel fabrics and links therebetween Grant 6,601,187 - Sicola , et al. July 29, 2 | 2003-07-29 |
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Distributed fine-grained enhancements for distributed table driven I/O mapping App 20020019923 - Reuter, James M. ;   et al. | 2002-02-14 |
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