Information processing system and method for path failover
US7093155B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 24, 2004 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Nov 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2007
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information processing system comprises a storage and a plurality of information processing apparatuses requesting data input/output from the storage. The information processing apparatus comprises an error detection section, a changeover evaluation section, and a changeover section. The error detection section detects an error occurred on a path according to a result of a data input/output request. The changeover evaluation section detects occurrence of error on a specified number of paths to determine whether or not to change an information processing apparatus connected to the storage even before occurrence of errors on all paths. The changeover section uses a determination result from the changeover evaluation section to change the information processing apparatus which requests data input/output from the logical unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.