Remote mirroring with write ordering sequence generators
US6816951B2 · kind B2 · utility
29Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Apr 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2074
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage system and method are provided and feature a highly available remote copying function and site switching capability. A redundant constitution to a sequencing generator for producing sequence information is provided. In a remote copy configuration, a sequence generator is provided at the copy destination site, in addition to the copy source site. The sequence generators are configured for redundant operation for site switching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.