Creates a new Amazon Aurora DB cluster.
You can use the ReplicationSourceIdentifier parameter to create the DB cluster as a Read Replica of another DB cluster.
For more information on Amazon Aurora, see Aurora on Amazon RDS in the Amazon RDS User Guide.
/// User already has a DB cluster with the given identifier.
///
/// DBClusterIdentifier does not refer to an existing DB cluster.
///
/// DBClusterParameterGroupName does not refer to an existing DB Cluster parameter
/// group.
///
/// User attempted to create a new DB cluster and the user has already reached the maximum
/// allowed DB cluster quota.
///
/// DBSubnetGroupName does not refer to an existing DB subnet group.
///
/// There is insufficient storage available for the current action. You may be able to
/// resolve this error by updating your subnet group to use different Availability Zones
/// that have more storage available.
///
/// The DB cluster is not in a valid state.
///
/// The specified DB instance is not in the available state.
///
/// The DB subnet group cannot be deleted because it is in use.
///
/// The requested subnet is invalid, or multiple subnets were requested that are not all
/// in a common VPC.
///
/// DB subnet group does not cover all Availability Zones after it is created because
/// users' change.
///
/// Error accessing KMS key.
///
/// Request would result in user exceeding the allowed amount of storage available across
/// all DB instances.
///
