Non-disruptive recovery from file server failure in a highly available file system for clustered computing environments
US5566297A · kind A · utility
173Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1994 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Jun 16, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/01
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method for non-disruptive recovery from a file server failure. State information for a file system managed by a server is maintained among a plurality of client nodes of a distributed system. When a failure of the server is detected, all ongoing requests to server are suspended. Then, the state information in each client node is transferred to an identified back-up server. Based on the state information, the file server state prior to the failure is reconstructed. After the reconstructing the file system, the suspended requests are restarted on the back-up server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.