Snapshot mechanism and method thereof
US8103840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2006 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Oct 3, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A snapshot mechanism and a method thereof used in a data processing system are provided to backup snapshot data. The snapshot mechanism includes a snapshot storage unit and a buffer storage unit, wherein the snapshot storage unit is used as a unit for storing data generated after a target storage unit snapshots data and accordingly generating a plurality of snapshot management data. In addition, the buffer storage unit temporarily stores new data and flushes the data to the target storage unit in predetermined time interval. According to the snapshot management data, the target storage unit can be rolled back or rolled forward to the status before a predetermined time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.