Ongoing Replication - Database Migration Guide
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Ongoing Replication

After you complete the full load, make sure that you perform ongoing replication using Amazon DMS to keep the source and target databases in sync. To configure the ongoing replication task, sign in to the Amazon Web Services Management Console and follow these steps.

  1. Choose Database Migration Service, and then choose Database migration tasks.

  2. Choose Create task.

  3. For Migration type, choose Replicate data changes only.

  4. For CDC start mode for source transactions, choose Enable custom CDC start mode.

  5. For Custom CDC start point, choose Specify a log sequence number and enter the SCN that you captured before starting the full load.

For more information, see Continuous replication tasks and Migrate from Oracle to Amazon RDS.