Patent · US Active

Controller, data storage device, and program product

US8495336B2 · kind B2 · utility

4Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 16, 2010
Grant dateJul 23, 2013
Priority date
Expiry dateOct 10, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2212/7205
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

According to one embodiment, a write instructing unit instructs a data access unit to write, in a storage area of a data storage unit indicated by a first physical address, write object data, instructs a management information access unit to update address conversion information, and instructs a first access unit to update the first physical address. A compaction unit extracts a physical address of compaction object data, instructs the data access unit to read the compaction object data stored in a storage area of the data storage unit indicated by the physical address, instructs the data access unit to write the compaction object data in a storage area of the data storage unit indicated by a second physical address, instructs the management information access unit to update the address conversion information, and instructs a second access unit to update the second physical address.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.