Interstage Shunsaku Data Manager Operator's Guide - Microsoft(R) Windows(R) 2000/ Microsoft(R) Windows Server(TM) 2003 - - UNIX -
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Chapter 8 HA Functions> 8.1 Overview of Shunsaku's HA Functions

8.1.2 Failover Function for Search Servers

By preparing alternative search servers to take over the processes from failed search servers and starting alternative searchers in advance, the operations can be recommenced in minimal time. After recommencing the operation, the level of performance can be maintained in the same one as before the error occurred. Furthermore, search data need not be reallocated when the errors are resolved.

The following diagram shows the flow of processing performed when errors occur on search servers for which the failover function is being used.

[Figure : Flow of Processing when Errors Occur on Search Servers ]


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