| 摘要 |
A hierarchical storage apparatus includes primary hierarchical storage connected to a host and storing information, a secondary hierarchical storage storing information, a hierarchical control unit controlling the primary hierarchical storage and the secondary hierarchical storage, and a management table for managing information on a logical volume as a recording space on the hierarchical storage apparatus. When a storage medium of the secondary hierarchical storage is replaced with a storage medium in an identical or different secondary hierarchical storage, the hierarchical control unit records identification information of a replacing storage medium of the secondary hierarchical storage on the management table.
|
