In a digital data processing system having an on-line file system component, a method and apparatus for archiving the contents of a selected client volume stored on the file system. The archiving is performed automatically, beginning with an initial duplication of the existing contents of the client...http://www.google.com.hk/patents/US20040210608?utm_source=gb-gplus-share專利 US20040210608 - Method and apparatus for automatically archiving a file system
