| prov:value
| - opological structure and method including structure and method for raid devices and controllersUS6230239Dec 11, 1997May 8, 2001Hitachi, Ltd.Method of data migrationUS6240486Jul 29, 1999May 29, 2001Emc CorporationSystem and method for on-line, real time, data migrationUS6240494Dec 16, 1998May 29, 2001Hitachi, Ltd.Subsystem replacement methodUS6247099Jun 3, 1999Jun 12, 2001International Business Mac
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