|Application No.||Application Title||Issue Date|
|20060083076||Data management apparatus|
A backup data storage control unit makes a write-once storage medium store by-generation backup data in order of generations. A generation identification data storage control unit makes a generation identification data of the backup data stored at a storage position rig...
|20060085614||Data management apparatus|
Hierarchical storage management is performed using a primary storage device and a secondary storage device. A suppression process unit suppresses the data operation requested by another device if data requested to read by the device is not stored in the primary device. ...
|20060064441||Storage apparatus, storage control method, and computer product|
A storage apparatus includes a primary storage unit that stores data received from a host computer in a first storage area; a secondary storage unit that stores the data stored in the first storage area in a second storage area; a virtual-storage-area setting unit that ...