De-duplication of files for continuous data protection with remote storage
US9223793B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2010 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Dec 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/1756
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Technologies are described herein for performing data de-duplication of a version of a data file for backup to a remote storage location. A CDP module executing on a computer creates a collection of files corresponding to the version of the data file by de-duplicating the version against a previous version master file stored locally on the computer. The previous version master file contains one or more unique data blocks of a specific block size from a previous version of the data file. Once the de-duplication against the locally maintained previous version master file is complete, the CDP module stores the collection of files corresponding to the version of the data file to the remote storage location. The remote storage location also contains a master file corresponding to the data file that contains all of the unique data blocks in the previous version master file.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.