US20060129774A1 - Storage system and method for acquisition ...
patents.google.com › patent › US20060129774The snapshot processing device, in response to a snapshot acquisition instruction, selects a logical volume that is capable of use as a snapshot target from the plurality of logical volumes; instructs the storage device control section to acquire a snapshot of the logical volume of the snapshot source, designated in the snapshot acquisition instruction for the selected logical volume, and holds generation information that associates the generation number specified in the snapshot acquisition ...