Detecting failover in a database mirroring environment
US9268659B2 · kind B2 · utility
2Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2006 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Jan 8, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/217
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one example, a method for detecting failover in a database mirroring system that begins when a determination is made as to the time of the most recent backup of the principal database. Next, the time of the most recent backup of the mirror database is determined. Then, the time of the most recent backup of the principal database is compared to the time of the most recent backup of the mirror database to determine if the principal database was backed up most recently. Finally, if the mirror database is the database that was backed up most recently, it is established that failover has occurred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.