Fragmentation executing method and storage device
US7373477B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2005 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Jul 15, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2020/10972
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
When a host apparatus transfers/swaps stored information between user sectors in a storage device for the purpose of defragmentation or the like, the storage device is allowed to perform the data transfer or swap without transmission between the host apparatus and the storage device after the command is received by the storage device; and consistency in stored information identification is maintained between the host apparatus and the storage device even if the operation is interrupted. In one embodiment, information stored in the destination user sector LBA(Y) is copied to the dummy sector LBA(D), its entry is written in the mapping table RDM, information stored in the source user sector LBA(X) is copied to LBA(Y), and then the RDM entry is erased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.