Data de-duplication using thin provisioning
US7822939B1 · kind B1 · utility
254Cited by
9References
25Claims
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Key dates
| Filing date | Sep 25, 2007 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Feb 1, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/215
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for de-duplicating data includes providing a first volume including at least one pointer to a second volume that corresponds to physical storage space, wherein the first volume is a logical volume. A first set of data is detected as a duplicate of a second set of data stored on the second volume at a first data chunk. A pointer of the first volume associated with the first set of data is modified to point to the first data chunk. After modifying the pointer, no additional physical storage space is allocated for the first set of data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.