storageType
Specifies the storage type to be associated with the DB cluster.
When specified for a Multi-AZ DB cluster, a value for the Iops parameter is required.
Valid Values: aurora, aurora-iopt1 (Aurora DB clusters); io1 (Multi-AZ DB clusters)
Default: aurora (Aurora DB clusters); io1 (Multi-AZ DB clusters)
Valid for: Aurora DB clusters and Multi-AZ DB clusters