Disk drive write verifying unformatted data sectors
US8004785B1 · kind B1 · utility
137Cited by
44References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2008 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Mar 27, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/25
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk drive is disclosed comprising a disk having a plurality of data sectors, wherein a physical block address (PBA) is associated with each data sector. When a write command is received from a host to write user data to the disk, and the write command comprises an unformatted logical block address (LBA), the user data is written to a first data sector, and the first data sector is write verified. A second data sector is defect scanned, and after the second data sector passes the defect scan, the user data is migrated from the first data sector to the second data sector and the LBA is formatted to the second data sector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.