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ARC Region switch adds Amazon RDS Switchover Read Replica execution block

Published
August 20, 2026
https://aws.amazon.com/about-aws/whats-new/2026/08/region-switch-rds-switchover-execution-block/

Amazon RDS Switchover Read Replica Execution Block

AWS has launched the Amazon RDS Switchover Read Replica execution block in ARC Region switch, automating recovery orchestration for Amazon RDS databases running Oracle Data Guard in multi-Region workloads.

Amazon Application Recovery Controller (ARC) Region switch helps customers orchestrate the failover of their multi-Region applications to achieve a bounded recovery time in the event of a Regional impairment.

What to do

  • Use the RDS Switchover Read Replica execution block to automate the role transition between the primary database and read replica with zero data loss during a planned failover scenario, or promotion of the read replica to a primary database during an unplanned failover.
  • Enable native cross-account support for centralized management of recovery across your organization.

To get started, see the documentation for Amazon RDS Switchover Read Replica execution block. To learn more about ARC Region switch, visit the Application Recovery Controller page.

Source: AWS release notes




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