Atomic write-in-place for hard disk drives
US9236066B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2015 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Jan 23, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/1217
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In general, techniques are described for writing data to a storage device that comprises an interface and a controller. The interface may receive a request to sequentially write data stored in a first group of tracks to an I-region, where the first group of tracks was also previously written. The controller may move data stored in a second group of consecutive tracks different than the first group of tracks from the I-region to an E-region, the second group having cardinality equal to the tracks that must be moved for the first group to be written sequentially in the I-region. The E-region comprises a portion of the storage device reserved for temporary storage. The controller may determine a position of the I-region where data from one of the second group was previously stored, and write data from the first group of tracks sequentially to the I-region, starting at the position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.