Our next test looks at low-queue depth random 4K transfer speeds with four total workers with a queue depth of 1 each. In his spare time he enjoys playing the piano and training for a good result at the annual Linz marathon relay. Archived from the original on June 28, Looking at latency standard deviation, you can see the full picture on just how big of an impact giving the ioDrive Duo some additional over-provisioning space can have. Windows performance of the ioDrive Duo came in just below that, with a small dip in write performance.

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Similar to the decreased in peak latency in our Web Server profile with the ioDrive Duo in High-Performance mode, latency standard deviation also dropped a large amount in our Linux test, whereas the Windows test saw minimal improvements. The Fusion ioDrive Duo measured a 0. Even though we didn’t measure a noticeable decrease in 4K read average response time or an increase in throughput, the high-performance configured ioDrive Duo offered much lower peak read responses.

Peak 4K write response times also decreased dramatically. It takes about 15 mins to flash the firmware and is faster on the standard cards than the Duo cards.

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For enterprise users willing to trade capacity in the name of speed and low-latency, Fusion-io offers an easy way for the end-user to make those changes. At the times where it is fastest in Windows it is at its slowest in Linux with a queue depth scaling problem in the driver we tested. All devices tested go under the same testing policy from start to finish.

Looking at the driver differences between the ioDrive Duo in Windows and Linux, the Linux driver had higher peaks, although toward the latter half of the test it maintained a lower faster curve. While the majority of this review centered on the stock capabilities of the ioDrive Duo, this remaining portion revisits our new Synthetic Workload Analysis to see how performance differs between high-performance mode and the stock configuration.


Given Fusion-io was an early pioneer of this particular iteration of storage technology and they own several pieces of key intellectual property around storage, it shouldn’t be that surprising that the overall package is so tight, but the level of precision is worthy of credit. In steady-state measurement of high-load 4K read and 4K write, the OCZ Z-Drive R4 with its class-leading throughput speeds in Windows came in at the front, with an average latency of 4. In and Fusion-io was criticized for depending too heavily on two major customers—Facebook and Apple.

When it comes to testing enterprise hardware, the environment is just as important as the testing processes used to evaluate it. Linux, Proxmox, Ubuntu and Fusion-io ioDrive cards — important notes. We have been going through our revised testing methodology over the last several months with first and second-generation cards supplied from industry leaders as we hone in on testing protocols that are more relevant to the enterprise storage buyer. Each of the two cards should have around 75PBW of write endurance.

The Fusion ioDrive Duo came in toward the upper range of standard deviation, although it was fairly consistent, like the pattern found in the WarpDrive. Retrieved November 21, It should be noted that these cards are not designed for a workstation environment, as workstations typically don’t offer cooling support for PCIe add-ons in stock configurations.

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Please enter your name here. In this section, the Z-Drive R4 in Windows stood out with the highest burst and steady-state performance, followed by the ioDrive Duo.

This article does not seem applicable to the latest Windows Operating System any longer. The LSI WarpDrive maintained a fairly flat profile, up until the end on the Linux side where latency started the flutter.


For this reason we go to great lengths to show the full performance characteristics of each device we put through our Enterprise Test Lab. Views Read Edit View history. Archived from the original PDF on May 9, Comparing the peak latency in the File Server workload, the ioDrive Duo calmed down greatly in Linux, losing many of its 1,ms peaks from before.

First, Fusion-io products include power cut features that ensure data integrity during unexpected power outages. After the preconditioning tests had finished, we started immediately with our primary test sampling.

Fusion-io – Wikipedia

In this windods the Ikdrive ioDrive Duo started off with the lowest peak latency curve, and then started to pick up a bit after two hours in as the drive started to transition to steady state. The LSI WarpDrive offered its best performance in Windows, with a much flatter latency curve, although it still saw one spike in excess of 1,ms.

The entire review is posted below in a single page, as always, for reader convenience. As part of StorageReview’s continued advancements in both testing protocol and enterprise lab development, we’re taking a renewed look at first generation flash drives that we have previously reviewed.

Archived from the original on April 5, When looking at the max latency profile of the 4K write preconditioning test, many of the same traits remained, although this time around much lower. IoMemory is also non-traditional in the sense that it consumes system resources for the VSL drivers to function, leveraging the host CPU while also creating a footprint in system memory.