Remote copy system and method
US8364919B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2008 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2076
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A remote copy system includes a first storage device performing data transmission/reception with a host computer, a second storage device receiving data from the first storage device, and a third storage device receiving data from the second storage device. The first storage device includes a logical volume, the second storage device includes a logical volume being a virtual volume, and the third storage device includes a logical volume. The first storage system changes the state of a first pair of the logical volumes based on the state of a second pair of the logical volumes. With such a remote copy system and a method for use therein, any data backup failure can be prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.