System and method for providing three-way failover for a...

Details System and method for providing three-way failover for a... System and method for providing three-way failover for a...

2006-05-02

2009-11-03

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

07613742

ABSTRACT:
A method for providing three-way failover for a database server group includes identifying a master server failure or a master server shutdown, designating a first replication server as a new master server, and copying data from a second replication server to a new replication server while the first replication server functions as the new master server. The method also includes receiving new data at the server group and saving the new data at the new master server, saving the new data in a queue at the second replication server until the set of data stored on the second replication server has been copied to the new replication server, and reading the new data saved in the queue and applying the new data to the second replication server after the set of data has been copied to the new replication server.

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