System and method of redundantly storing and retrieving data with cooperating storage devices
US7827439B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2008 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Jul 9, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2211/1054
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for data storage in an array. A system includes a client coupled to a storage subsystem. The storage subsystem comprises data storage locations addressable as rows and columns in an array. Each column comprises a separate storage device. Each row includes redundant data. For a given row, a coordinating storage device receives data from the client, coordinates computation and storage of redundant data, and forwards data to other storage devices. In response to receiving data targeted for storage in a given storage location, a non-volatile, temporary storage device that is associated with the separate storage device that includes the given storage location buffers the received data. The coordinating storage device conveys a write completion message to the client in response to detecting that the data has been buffered in the non-volatile, temporary storage devices. At least two storage devices are coordinating storage devices in separate rows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.