A dual ported active-active array controller apparatus is provided having a first policy processor partnered with a first ISP having a first plurality of dedicated purpose FCs, a second policy processor partnered with a second ISP having a second plurality of dedicated purpose FCs, a communication bus...http://www.google.fr/patents/US7761650?utm_source=gb-gplus-shareBrevet US7761650 - Processing wrong side I/O commands
