Provided are a method, system, and article of manufacture, wherein image data corresponding to data stored in a storage unit is stored in a backup set. Metadata that indicates deletions made to files and directories in the storage unit is stored in the backup set, subsequent to the storing of the image...http://www.google.fr/patents/US20070185936?utm_source=gb-gplus-shareBrevet US20070185936 - Managing deletions in backup sets