发明名称 |
Data storage apparatus and data access method for controlling address information for data writing using a free area control table |
摘要 |
A data storage apparatus is provided. The data storage apparatus includes: a storage unit managed using a logical block address; a memory; a storage control unit for storing in the storage unit a free area control table transmitted from the host apparatus in which information on a free area in the storage unit is stored; an expanding unit for reading the free area control table in the storage unit and expanding it in the memory; a recording unit for recording data transmitted from the host apparatus into a free area in the storage unit on the basis of the free area control table in the memory; an updating unit for updating the free area control table in the memory after the data recording unit has completed a recording operation; and a transmission unit for transmitting to the host apparatus updated information included in the free area control table which has been updated by the updating unit.
|
申请公布号 |
US7716412(B2) |
申请公布日期 |
2010.05.11 |
申请号 |
US20070687969 |
申请日期 |
2007.03.19 |
申请人 |
SONY CORPORATION |
发明人 |
TAMURA TETSUYA;NISHIMURA HAJIME;SASA TAKESHI;SUZUKI KAZUYA |
分类号 |
G06F13/00 |
主分类号 |
G06F13/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|