Synchronization of replicated sequential access storage components
US8296536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2009 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Jun 26, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1456
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A replication synchronization table (RST) is configured for the source instance. The RST is adapted for recording compacted information for at least one of a truncate and an erase operation applied on the source instance. The RST of the source instance is updated at a source component with the compacted information. The updated RST is transmitted from the source instance to the replicated instance. Based on the RST of the source instance and the RST of the replicated instance, data representative of a most recent position on the source component from which data should be transmitted to a replicated component to achieve a full synchronization is determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.