The present data file storage management system for snapshot copy operations maintains a two level mapping table which enables the data files to be copied using the snapshot copy process and only having to update a single corresponding mapping table entry when the physical location of the data file is...http://www.google.fr/patents/US6038639?utm_source=gb-gplus-shareBrevet US6038639 - Data file storage management system for snapshot copy operations
Data file storage management system for snapshot copy operations
