Data replica control
US9558074B2 · kind B2 · utility
1Cited by
24References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2011 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Mar 29, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/815
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A replica control system includes software to control replication in virtual environments. The replica control system identifies a plurality of data blocks within an underlying storage volume in response to a request to update a replica of a target storage volume, identifies changed data blocks of the plurality of data blocks within the underlying storage volume, and identifies a subset of the changed data blocks with which to update the replica of the target storage volume based on a characteristic of the changed data blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.