A method and apparatus for transferring data between two storage media, and is used in an illustrative embodiment to transfer data between two storage media in a shadow set, the storage media being accessible to one or more host processors. The method of the preferred embodiment includes the steps of:...http://www.google.fr/patents/US5247618?utm_source=gb-gplus-shareBrevet US5247618 - Transferring data in a digital data processing system
Transferring data in a digital data processing system
