A headless cluster in Amazon Aurora global database refers to a cluster that has no database instance attached to it. In other words, the cluster only includes the database storage and is used as a backup in case of a failure of the primary cluster. The primary cluster is the one that has a database instance attached to it and is serving the application’s read and write requests. The headless secondary cluster is used for disaster recovery and to provide high availability for the database. The data in the primary cluster is automatically replicated to the headless secondary cluster, so in case of a failure, the secondary cluster can take over as the primary cluster and provide a seamless transition with minimal disruption.  

In this article, we will see how to perform a failover with a headless Aurora Global Database and its outcomes. 

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