Use the operating system and database backup tools to back up the

Identity Resolution

systems, and the tools can vary from system to system.

The first step is to ensure that the

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databases and Rulebase are in a stable state. The best way to do that is to shut down the

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Rulebase and connection/search servers. Use the

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Console or run the

idsdown

script to shut down the

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Rulebase and connection/search servers. On UNIX, use the

$SSABIN/idsdown

command.

After you shut down the

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servers, use the database vendor tools to back up all the

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tables and databases. For example, with IBM DB2 UDB, you can use the

BACKUP DATABASE

command. Oracle has multiple ways to back up databases. For example, the Oracle Recovery Manager. Save the user information. IBM DB2 UDB uses system user IDs. A complete system backup is the best way to ensure that all the information is backed up. If a complete backup is not feasible, document all the scripts and procedures that you used to set up the

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system so that a complete restore is possible.