Invention Grant
US07716412B2 Data storage apparatus and data access method for controlling address information for data writing using a free area control table
失效
数据存储装置和数据访问方法，用于使用自由区域控制表来控制用于数据写入的地址信息
- Patent Title: Data storage apparatus and data access method for controlling address information for data writing using a free area control table
- Patent Title (中): 数据存储装置和数据访问方法，用于使用自由区域控制表来控制用于数据写入的地址信息
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Application No.: US11687969Application Date: 2007-03-19
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Publication No.: US07716412B2Publication Date: 2010-05-11
- Inventor: Tetsuya Tamura , Hajime Nishimura , Takeshi Sasa , Kazuya Suzuki
- Applicant: Tetsuya Tamura , Hajime Nishimura , Takeshi Sasa , Kazuya Suzuki
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: K&L Gates LLP
- Priority: JPP2006-077278 20060320
- Main IPC: G06F13/00
- IPC: G06F13/00
Abstract:
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.
Public/Granted literature
- US20080046646A1 DATA STORAGE APPARATUS AND DATA ACCESS METHOD Public/Granted day:2008-02-21
Information query
