Distributed data storage system with key-based addressing
US9639268B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2014 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Sep 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2211/104
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a Distributed Virtual Array data storage system, a storage pool receives, from at least one writing entity within a host, a request to write a container of data that is identified by a unique key that is independent of physical storage identifiers and that comprises a set of data chunks. The key indicates a plurality of storage devices in which to store the data chunks, which are accordingly stored in those storage devices. Different combinations, each comprising a layout map, of storage devices are represented in a layout table. Information in the container key is used to select which layout map to use for the chunks of each container. An error-correction chunk is preferably also stored along with the chunks of each container so as to enable data container reconstruction in case of storage device failure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.