Computer system with reservation control
US8645649B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2011 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Jan 27, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2056
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system includes: a first storage apparatus; a second storage apparatus; a first volume of the first storage apparatus; and a second volume of the second storage apparatus; wherein the first volume and the second volume have a copy pair relationship and a host system recognizes the second volume as the same volume as the first volume; and wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus; and the second storage apparatus controls access from the host system on the basis of the received reservation information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.