Optimized rollback of copy-on-write snapshot volumes
US7757057B2 · kind B2 · utility
78Cited by
0References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2006 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Nov 2, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/84
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is an optimized method for the rollback of copy-on-write snapshot volumes. A method in accordance with the present invention may comprise the following steps: (a) creating a copy-on-write snapshot volume; (b) receiving a base volume write request addressed to a base volume data block; (c) executing copy-on-write operations; (d) receiving a snapshot volume rollback request; (e) disabling the copy-on-write operations; and (f) executing volume copy operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.