Dynamic storage tiering
US10120575B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2015 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Jan 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0673
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present disclosure provide a method and apparatus for dynamic storage tiering by calculating a density of data according to a temperature of the data, and making the density of data with a higher temperature smaller; obtaining density threshold of each of the tiers, wherein the density threshold of an upper tier is smaller than that of a lower tier; comparing the density of the data with the density threshold of each of the tiers to determine which tier the data should be moved to; and moving the data to the determined tier. Embodiments of the present invention may be used to provide a dynamic storage tiering scheme with higher flexibility and scalability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.