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Mar 21 2014

Fujitsu ETERNUS DX S3: Storage at the Speed of Sound (Part 3 of 3)


More data, faster access, smarter applications, changing delivery models, increased use of business analytics – the challenges storage systems must meet have exploded over the past ten years. Many 'classic' arrays can no longer fulfill these demands or require massive workarounds to function properly. To solve these problems, Fujitsu's engineers introduced a new "performance architecture" with our third-generation ETERNUS DX storage systems. This final part of our three-piece mini-series tells you how the systems scored in benchmark tests and how that affects customers' bottom lines.

Innovative, Powerful, Cost-Saving
In the second part of our series, we looked at the technical improvements that distinguish the new Fujitsu ETERNUS DX storage systems from their predecessors. Together, these improvements blend into an innovative architecture that allows for unprecedented speed and a richer, more powerful feature set than you'd normally expect in entry-level and midrange storage arrays. Still, this kind of comparison isn't exactly satisfying, because a vendor's latest products will almost always outpace the previous generation. What customers really want to know is how well these new products stack up against the competition. To find out about that, we ran the renowned SPC Benchmark-1™ tests1 on the entry-level DX200 S3. The results are listed below – and although we had expected to get good marks, some of them came as a surprise even for us:

  • With a response time of 0.63 milliseconds at 100% load, the ETERNUS DX200 S3 has achieved the best value ever in the history of SPC-1.
  • Being able to run more than 200,000 SPC-1 IOPS™, the Fujitsu ETERNUS DX200 S3 plays in the same league as much more expensive midrange and enterprise systems and even beats various all-flash arrays (see the graphic at the top of this page).
  • Thanks to low acquisition costs, the dual-controller ETERNUS DX200 S3 offers a price/performance ratio of only $ 0.77 per SPC-1 IOPS™ – a value only topped by three specialized all-flash-arrays and one multi-controller midrange system.2

These technical advantages easily translate into solid economic benefits, as they allow for massive capacity optimization and performance boosts. For example, suppose a customer is running a combination of file, SQL and web servers with a required read request rate of 150,000 IOPS and cache hit rate of 30% and data dispersed across 360 online HDDs. By switching to a Fujitsu ETERNUS DX500 or DX600 S3 midrange system with Extreme Cache, he can cut the number of HDDs by over 80% to a mere 64, resulting in substantial savings on energy, floor space, and operating costs. Likewise, if a storage system with 200 online HDDs and an estimated cache hit rate of 30% was capable of delivering 80,000 IOPS, the comparable Fujitsu ETERNUS DX S3 array will handle 2.5 times as many requests – or serve more customers in the same amount of time. In addition, the performance architecture serves as the foundation for advanced SRM capabilities such as AST and Auto QoS. If that's no reason to upgrade, then I don't know what is.


1. What is the Storage Performance Council? The Storage Performance Council (SPC) is a vendor-neutral standards body focused on the storage industry. It has created the first industry-standard performance benchmark targeted at the needs and concerns of the storage industry. SPC benchmarks™ provide a rigorous, audited and reliable measure of performance;

Fujitsu subscribes to SPC Benchmark™ testing as a valid and independent way for customers to judge performance results;

What is the SPC Benchmark-1™? The SPC Benchmark-1™ test program is designed to simulate business critical applications processing many complex transactions. Pseudo-operational workloads of Online Transactions (OLTP), database operations, and mail systems, are recreated to measure random access read/write performance.

2. The SPC-1 Benchmark results for the ETERNUS DX200 S3 are current as of December 30, 2013. For all details, see

René Hübel


About the Author:

René Hübel

Senior Product Marketing Manager Storage Solutions 


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