Method for rebuilding flash translation layer table of solid state drive
US10241675B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 17, 2016 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Nov 25, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0679
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method is provided for rebuilding a flash translation layer table of a solid state drive. The superblock includes plural superpages. Each of the plural superpages includes plural physical pages. The method includes steps of confirming if the flash translation layer table is lost or not after the solid state drive is powered on; if the flash translation layer table is lost, starting a superblock scanning method for determining a status of the superblock; and rebuilding the flash translation table according to the status of the superblock. The superblock scanning method includes steps of reading contents of a first physical page and a last physical page of a last superpage in the superblock, and determining a status of the superblock according to the contents of the first physical page and the last physical page.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.