A server cluster quorum disk composed of two or more separate, intercommunicating disk drives or LUNs. The disk drives or LUNs that together compose a quorum disk may be physically separated by significant distances to form a geographically dispersed quorum disk, or may be more closely physically associated...http://www.google.fr/patents/US6782416?utm_source=gb-gplus-shareBrevet US6782416 - Distributed and geographically dispersed quorum resource disks
Distributed and geographically dispersed quorum resource disks
