Workload detection for adjacent track interference mitigation
US9761271B1 · kind B1 · utility
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20Claims
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Key dates
| Filing date | Aug 1, 2016 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Aug 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/10481
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A storage device includes a controller configured to adjusts direct offline scan (DOS) parameters for a scan of a storage region based on a workload affecting the storage region to mitigate data loss due to adjacent track interference (ATI) while also mitigating performance delays due to DOS execution. In one implementation, a type of workload occurring in a region is determined by assessing a distribution of write track counter values corresponding to data tracks in the region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.