storageType

The pending change in storage type for the DB cluster. Valid Values:

• standard – ( the default ) Configures cost-effective database storage for applications with moderate to small I/O usage.

• iopt1 – Enables I/O-Optimized storage that's designed to meet the needs of I/O-intensive graph workloads that require predictable pricing with low I/O latency and consistent I/O throughput.Neptune I/O-Optimized storage is only available starting with engine release 1.3.0.0.