A disk storage control system includes dual controllers having real-time, synchronous, mirrored memory therebetween to provide immediate, accurate, and reliable failover in the event of controller failure. Non-volatile random access memory provides retention of data during a loss of power and during...http://www.google.fr/patents/US5928367?utm_source=gb-gplus-shareBrevet US5928367 - Mirrored memory dual controller disk storage system
Mirrored memory dual controller disk storage system
