Consistent updates across storage subsystems coupled to a plurality of primary and secondary units at selected times
US7571268B2 · kind B2 · utility
33Cited by
3References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2006 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | May 17, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/82
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a method, system, and article of manufacture, wherein a primary control unit sends a selected time to a plurality of secondary control units. Clocks are periodically synchronized at the primary control unit and the secondary control units with a time server. The primary control unit and the plurality of secondary control units consistently update secondary storage subsystems coupled to the plurality of secondary control units at the selected time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.