How do I use the validation feature in AWS DMS?

Resolution

Before you enable and use the validation feature, review the limitations for validating AWS DMS tasks.

Enable validation on a new task

1. Open the AWS DMS console, and then choose Database migration tasks from the navigation pane.
2. Choose Create task.
3. Enter the details for your Task configuration and Task settings.
4. From the Task settings section, select Enable validation and Enable CloudWatch logs.
5. Configure the Advanced task settings, if needed.
6. Choose Create task.

Enable validation on an existing task

1. Open the AWS DMS console, and then choose Database migration tasks from the navigation pane.
2. Select your task, and then check that the status of the task is Failed or Stopped.
3. Choose Actions, and then choose Modify.
4. From the Task settings section, select Enable validation.
5. Choose Save.

View the results of the validation

1. Open the AWS DMS console, and then choose Database migration tasks from the navigation pane.
2. Choose the name of your task.
3. From the Table statistics section, review the results. For more information, see Replication task statistics.

Revalidate tables in a task

1. Open the AWS DMS console, and then choose Database migration tasks from the navigation pane.
2. Choose the name of your task.
3. From the Table statistics section, select the table, and then choose Validate again.
4. To review the validation metrics, choose Database migration tasks from the navigation pane.
5. Choose the name of the task, and then review the CloudWatch metrics section.

Related information

Validating AWS DMS tasks

Data validation task settings