Storage system and storage control method
US9703497B2 · kind B2 · utility
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Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Apr 20, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/174
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a storage system, a controller prevents the same chunk data from being stored in a storage device in an overlapped manner, on the basis of data block information showing an association of each data block and a plurality of chunk data configuring each data block, chunk group information showing an association of each chunk data not to be overlapped and a chunk group which each chunk data belongs to, and reference data block information showing an association of each chunk group and a data block having any chunk data belonging to each chunk group as constituent elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.