Data identification system
US9223975B2 · kind B2 · utility
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1References
18Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 27, 2014 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Jan 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/145
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of operating a data storage system. The method comprises identifying changed segments of a primary storage volume, receiving a data request for a plurality of data items in a secondary storage volume, identifying changed data items of the plurality of data items in the secondary storage volume based on a correspondence between the plurality of data items in the secondary storage volume and the changed segments of the primary storage volume, and transferring the changed data items in response to the data request.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.