Selective skipping of blocks in an SSD
US9286176B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 15, 2014 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | May 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7208
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A solid state drive (SSD), includes: a plurality of solid state memory devices, each solid state memory device including a plurality of memory blocks arranged in a plurality of planes; a storage; and an SSD controller configured to: write data to memory blocks in a predefined sequence, detect a defective memory block in the plurality of solid state memory devices, mark the detected memory block as defective and store an address of a next non-defective memory block, and in response to data to be written to the marked memory block, the controller skips the marked memory block and writes the data to the next non-marked memory block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.