Multi-server fault tolerance using in-band signalling
US5812751A · kind A · utility
139Cited by
16References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Oct 3, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A primary server/standby server network configuration according to the invention includes a primary server executing network operating system software and a standby server monitoring for the proper operation of the primary server, where both the primary server and the standby server are connected to a storage system. If the primary server fails, the standby server instructs the storage system to switch its hardware connections to the standby server, allowing the standby server to boot the operating system. This instruction is done via in-band signaling. Further, multiple primary servers can be backed up by a single standby server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.