Disk drive data caching using a multi-tiered memory
US8977803B2 · kind B2 · utility
19Cited by
47References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2011 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Feb 18, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A disk drive is disclosed that utilizes multi-tiered solid state memory for caching data received from a host. Data can be stored in a memory tier that can provide the required performance at a low cost. For example, multi-level cell (MLC) memory can be used to store data that is frequently read but infrequently written. As another example, single-level cell (SLC) memory can be used to store data that is frequently written. Improved performance, reduced costs, and improved power consumption can thereby be attained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.