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Chapter 2. Before you begin
2.1. Run with clean target server installation
Because the JBoss Server Migration Tool creates the configuration files based on the configuration of a previous release, it is intended to be run on a clean and unconfigured target server installation. The JBoss Server Migration Tool creates a backup of the target server’s configuration files by appending .beforeMigration to the file names. It then creates totally new configuration files for the target server using the source server’s configuration files, and migrates the configuration to run in the target server configuration.
When you run the JBoss Server Migration Tool, all changes on the target server made between installation and running the migration tool are lost.
Also, be aware that if you run the tool against the target server directory more than once, the subsequent runs will overwrite the original target configuration files that were backed up on the first run of the tool. This is because each run of the tool backs up the configuration files by appending .beforeMigration, resulting in the loss of any existing backed up configuration files.
2.2. Customize the migration
The JBoss Server Migration Tool provides the ability to configure logging, reporting, and the execution of migration tasks. By default, when you run the JBoss Server Migration Tool in non-interactive mode, it migrates the entire server configuration. You can configure the JBoss Server Migration Tool to customize logging and reporting output. You can also configure it to skip any part of the configuration that you do not want to migrate.
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