I understand that you are using CDKv2.
instances properties show # of instances within DB cluster. In the case of setting 2, DB cluster has 1 Writer, and 1 Reader instance in single DB cluster.
Reserved Instances for RDS AuroraAccepted Answerasked 2 years ago
"Create Aurora Read Replica" option not available to migrate from RDS Postgres 11.12 to Aurora 11.12.asked 8 months ago
RDS Postgresql migrate to Aurora Postgresql. Not showing "Aurora read replica" & "Migrate snapshot" options.Accepted Answerasked a year ago
Strategies for RDS MySQL migration to Auroraasked a day ago
create simple RDS Aurora instanceasked 9 months ago
will RDS auto create a new instance whenever the primary instance failover in Aurora Cluster?asked 3 months ago
Migrate RDS MySQL 8.0.28 to Aurora MySQLasked 4 months ago
Unable to enter create read replica page for a MySQL RDS instance inside classic EC2Accepted Answerasked 10 months ago
Amazon RDS for MariaDB instance read replica between regionsasked 4 months ago
Move RDS MySQL 5.6.40 database to Aurora Serverlessasked 3 years ago