Active replication switch
US9037818B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2012 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Oct 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/855
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, system, and computer program product for replication comprising allowing a subset of sites, wherein the sites comprise a first site, a second site and a third site and further wherein each site has a volume, to have active/active VSL replication, which presents two volumes at two different sites as a single volume, and another set of the sites to have a volume which is a replications of the volume presented by the VSL, and enabling the system to transparently shift which subset of the sites are replicated by the VSL and which sites are replications of the volume presented by the VSL; where the replication of the VSL is performed by a second replication technique.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.