A method, system, apparatus, and computer-readable medium are provided for taking snapshots of a storage volume. According to aspects of one method, each snapshot is represented as a unique sequence number. Every fresh write access to a volume in a new snapshot lifetime is allocated a new section in...http://www.google.fr/patents/US7987156?utm_source=gb-gplus-shareBrevet US7987156 - Method, system, apparatus, and computer-readable medium for taking and managing snapshots of a storage volume
Method, system, apparatus, and computer-readable medium for taking and ...
