Storage device for improving journal replay, operating method thereof, and electronic device including the storage device
US11269771B2 · kind B2 · utility
3Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2020 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | May 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7201
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage device includes a nonvolatile memory including a main meta data area and a journal area, and a controller. The controller updates an address mapping table including a plurality of page mapping entries divided into a plurality of segments by executing a flash translation layer (FTL) stored in a working memory, stores updated page mapping entries of the plurality of page mapping entries in the journal area as journal data, and stores the plurality of segments, each having a size smaller than a physical page of the nonvolatile memory, in the main meta data area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.