Fail over method and a computing system having fail over...

Details Fail over method and a computing system having fail over... Fail over method and a computing system having fail over...

2004-11-12

2008-09-23

Backer, Firmin (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

C709S201000, C712S028000

Reexamination Certificate

active

07428210

ABSTRACT:
Loads on a plurality of computers are made uniform after a fail over, and resource competition is prevented. Loads of nodes (1to4) in a cluster (100) are obtained, taking-over information when a trouble occurs in one of the plurality of nodes (1to4) is generated beforehand based on the obtained loads, and the taking-over information is stored in a shared storage system (6) shared by the plurality of nodes. The plurality of nodes (1to4) monitor operation states of one another. When an occurrence of a trouble is detected, each of the nodes (1to4) in the cluster (100) excluding the troubled node reads the taking-over information from the shared storage system (6), and takes over a processing of the troubled node based on a trouble pattern and the taking-over information.

REFERENCES:
patent: 6128279 (2000-10-01), O'Neill et al.
patent: 6154765 (2000-11-01), Hart
patent: 6965936 (2005-11-01), Wipfel et al.
patent: 2005/0138517 (2005-06-01), Monitizer
patent: 2003-256399 (2003-09-01), None

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