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Perform a side-by-side upgrade in AWS DMS by moving tasks to minimize business impact

Database Blog

This article provides a guide on how to upgrade the AWS Database Migration Service (DMS) version while minimizing business impact by moving replication tasks to a new DMS instance with the desired version.

Specifically, the article covers:

  • Different AWS DMS version upgrade options, such as in-place upgrade, using recovery checkpoints, AWS DMS Serverless, and the side-by-side upgrade approach
  • Step-by-step instructions on performing a side-by-side upgrade using the AWS CLI, console, and API
  • Considerations and potential issues during the upgrade process, like handling task state changes and failed moves
  • Best practices for a successful AWS DMS version upgrade, including testing, monitoring, data validation, and error handling
  • Conclusion highlighting the benefits of the side-by-side upgrade approach for minimizing downtime and business impact
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