A system, apparatus, and method to recover a logical volume on a physical volume, or data storage cartridge, within a dual copy data storage system, such as a virtual tape server (VTS) system. Such recovery follows a disaster situation involving a primary copy of the requested logical volume. The system,...http://www.google.com/patents/US20040078639?utm_source=gb-gplus-sharePatent US20040078639 - Method and apparatus for recovery of a logical volume in a multi copy storage system
