Not many people realize that a database may not be consistently backed up after a system failure. Since real world disasters such as fires, earthquakes or power events may cause multiple failures seconds or minutes apart, storage arrays must rely on a dependable storage system to ensure consistent backup and recovery. This white paper by the Winter Corporation explains how users having more than one storage array mirrored remotely can implement consistency groups for all applications and databases involved with business-critical data. (requires free inSite member login)