Progress Fathom Replication
User’s Guide

> ## Overview of default implementation tasks

> This section shows the sequence of tasks you must perform to create the default implementation of Fathom Replication.

> To create the default implementation of Fathom Replication:

> 1. Execute your `PROENV` and `DSRENV` scripts every time you open a command-line window or shell, and ensure that you have `$DLC`, `$PROMSGS`, `$DSRHOME`, and `$PROCFG` environment variables set correctly.

> 2. Shut down the source database.

> 3. On the source machine, do the following:

> 1. Create an initial backup of the source database.
> Note: If the database is large and backups are time consuming, you may want to consider deferred agent startup instead. Deferred agent startup allows online backups, which minimizes the downtime of the data base.
> For more information, see the "Overview of implementation tasks for deferred agent startup" section and the "Setting up the source database (online backup)" section.

> 2. Create a structure file (`.st`) of the source database.
> 3. Ensure After Imaging is set up and running.
> 4. Enable the source database for Fathom Replication.
> 5. Perform an incremental backup of the source database.

> For more information about these tasks, see the "Setting up the source database (offline backup)" section.

> 4. On the target machine, do the following:

> 1. Copy the source database backup to the target machine.

> The source database backup is the initial copy of the target database.

> 2. Enable the target database for Fathom Replication.

> For more information about these tasks, see the "Setting up the target database" section.

> 5. Configure Fathom Replication by doing the following:

> 1. Create the server properties file.
> 2. Create the agent properties file.

> For more information, see the "Configuring Fathom Replication" section and the "Fathom Replication properties files" section.

> 6. Start the databases in the following order:

> 1. The target database.
> 2. The source database.

> Because the databases are enabled for Fathom Replication, the Fathom Replication server and agents will also start.

> This default implementation does not allow source or target database activity until both the server and agents complete their startup and initialization phases.

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