Controlling wear among flash memory devices based on remaining warranty
US10528461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2014 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | May 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7211
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer readable storage medium embodies program instructions executable by a processor to perform a method including identifying a product warranty for each of a plurality of flash memory devices within a system, wherein the product warranty includes a maximum number of writes and a maximum age, and tracking the number of writes and the age of each flash memory device. The method further includes determining, for each flash memory device, a number of pro rata writes remaining in the product warranty, which is determined as a number of writes remaining until the flash memory device reaches the maximum number of writes divided by an amount of time remaining until the flash memory reaches the maximum age. The method then causes data to be written to the flash memory device having the greatest number of pro rata writes remaining in the product warranty.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.