**To promote a DB cluster read replica** The following ``promote-read-replica-db-cluster`` example promotes the specified read replica to become a standalone DB cluster. :: aws rds promote-read-replica-db-cluster \ --db-cluster-identifier mydbcluster-1 Output:: { "DBCluster": { "AllocatedStorage": 1, "AvailabilityZones": [ "us-east-1a", "us-east-1b", "us-east-1c" ], "BackupRetentionPeriod": 1, "DatabaseName": "", "DBClusterIdentifier": "mydbcluster-1", ...some output truncated... } } For more information, see `Promoting a read replica to be a DB cluster <https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Replication.CrossRegion.html#AuroraMySQL.Replication.CrossRegion.Promote>`__ in the *Amazon Aurora User Guide*.