A method and system for creating a snapshot of data. The snapshot system creates a snapshot of data that is hierarchically organized, such as the data of a file system. When a snapshot is to be created, the snapshot system copies the root node of the hierarchical organization to a new root node that...http://www.google.se/patents/US20050010592?utm_source=gb-gplus-sharePatent US20050010592 - Method and system for taking a data snapshot
