System and method for performing a plurality of prescribed data management functions in a manner that reduces redundant access operations to primary storage

摘要: Systems and methods are disclosed for performing a plurality of prescribed data management functions in manner that reduces redundant access operations to primary storage, where the system includes engine functions, including at least snapshot function back-up function. An electronic service level agreement (SLA) specifies schedule point-in-time images include reference baseline image difference indicating changes later, specific point time. The also creates storage response requiring some be performed concurrently, communicates information secondary update copy data, such is accessed only once all updates storage.