Persistent cache layer to tier data to cloud storage
US11061868B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2017 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Feb 23, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/568
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Implementations are provided herein for having at least two data streams associated with each file in a file system. The first, a cache overlay layer, can store additional state information on a per block basis that details whether each individual block of file data within the cache overlay layer is clean, dirty, or indicates that a write back to the storage layer is in progress. The second, a storage layer, can be a use case defined repository that can transform data using data augmentation methods as a part of tiering data to external repositories. File system operations directed to the cache overlay layer can be processed asynchronously from file system operations directed to the storage layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.