Kevin Dale Lange

US Patent:

6947957, Sep 20, 2005

Filed:

Jun 20, 2002

Appl. No.:

10/177177

Inventors:

Kevin Joseph Lange - Rancho Santa Margarita CA, US

Assignee:

Unisys Corporation - Blue Bell PA

International Classification:

G06F017/30
G06F011/00

US Classification:

707200, 717127, 714100, 714 47, 714 48

Abstract:

A method of detecting a fault or a potential fault of a DBMS operating in a clustered environment is provided. The DBMS includes a log of diagnostic information that is related to the status of the DBMS. At predetermined intervals, monitoring of the log of diagnostic information is conducted for at least one of a plurality of predefined conditions occurring anywhere in the clustered environment. The predefined conditions are related to a fault or a potential fault of the DBMS. Before a fault of the DBMS occurs, the presence of at least one of the predefined conditions in the log is detected. A response to the detected predefined condition (e. g. , a fail-over) is provided.