Your customer wants to replace the aging storage and servers infrastructures with the latest technology to run the entire transaction processing and Oracle data warehouse applications. The client…

The HP 3PAR StoreServ 7200 is a two-controller system that offers less scalability and performance headroom compared to the 7400-4, which may not adequately address the 'future proofing' and demands of concurrent transaction processing and data warehousing.

The HP 3PAR StoreServ 7400-4 offers a four-controller architecture for higher performance and scalability, crucial for demanding transaction processing and large Oracle data warehouse applications. Utilizing both SSDs and Nearline SAS (NL-SAS) drives provides a robust tiered storage solution, where SSDs handle high-performance, low-latency workloads and NL-SAS drives provide cost-effective capacity for the 150TB requirement and future data growth, aligning with best practices for mixed workloads and future-proofing.

While the HP 3PAR StoreServ 7400-4 provides good scalability, relying on 15k SAS drives for performance-critical data instead of SSDs is generally less 'future proof' and may not deliver the optimal low-latency performance required for transaction processing applications compared to a solution incorporating SSDs.

The HP 3PAR StoreServ 7200 offers limited scalability and performance compared to the 7400-4, and 15k SAS drives are generally not as performant for random I/O as SSDs, making this choice less aligned with 'best practices and future proofing' for the specified workloads.