A data network with a remote data facility for providing redundant data storage and for enabling concurrent point-in-time backup operations. A local data processing system with a data facility stores a data base and processes applications. A second system, physically separated from the first system,...http://www.google.fr/patents/US5857208?utm_source=gb-gplus-shareBrevet US5857208 - Method and apparatus for performing point in time backup operation in a computer system
Method and apparatus for performing point in time backup operation in a ...
