Linux latency standard deviation didn’t improve that much, but the Windows standard deviation dropped from ms to just under 3ms. Comparing average completion latency across the wide span of varying level of thread and queue activity, the WarpDrive maintained the lowest response times in most cases, until the Z-Drive R4 in Windows surpassed it at higher queue depth loads. 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. This drive doesn’t disappoint in the speed category. The first real-life test is our HTPC scenario.

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This section is designed to show how well enterprise products perform under different demanding mixed workloads in burst conditions. With that said, they weren’t entirely gone, but the bulk of the activity dropped to much lower levels.

Fusion-io ioDrive Duo Enterprise PCIe Review | – Storage Reviews

With the ioDrive product, users essentially get access to a flash memory storage tier, which offers much lower latency and better overall performance than an SSD. In this test we include: In this case, the extra over-provisioned space gave the drive enough room in the background suppress most of the max latency jumps that we saw in the spike configuration.

Page 1 of 1 Dul over Page 1 of 1. For this reason we go to great lengths to show the full performance characteristics of each device we put through our Enterprise Test Lab. Archived from the original on April 5, Please make sure that you are posting in the form of a question. View Cart Proceed to checkout. ComiXology Thousands of Digital Comics.


During the first half of Fusion-io sponsored conversion of the Linux kernel SCSI core to the blk-mq approach [47]. It was somewhat surprising to see some of the higher latency spikes in the 1,ms range remained in the read-intensive Web Server test, although while the behavior is seen the most on the ioDrive Duo in Linux, it was noted on all three devices at different points in the test. This was while the Windows performance remained tight until the highest workloads.

Our first test looks at straight-line sequential read and write oodrive in a sustained burst condition. The ioDrive Duo saw a similar change as the drive reached steady-state, where both paths suo and the Windows responsiveness became less grouped.

Retrieved from ” https: When the drive was formatted into high-performance mode, the Windows profile still had more jitter, but the Linux profile had better composure and lacked the high-latency spikes seen previously. Retrieved June 3, As noted in the design section with the external power adapter, all benchmarks were performed with the external adapter iovrive.

For this reason we turned to our StorageMark traces, which include consumer traces covering HTPC, Productivity, and Gaming scenarios and now business traces starting off with a new mail-server scenario to help our readers find out how well a drive might perform under their conditions.

Another minor area of concern might be found depending on platform, as Vuo tended to be this product’s strong suit, even if it only slightly edged out its Windows performance. Even though we didn’t measure a noticeable decrease in 4K duoo average response time or an increase in throughput, the high-performance configured ioDrive Duo offered much lower peak read responses. Real-World Benchmarks If you are new to StorageReview, one thing we try to focus on is how any given drive might perform under real-world conditions.


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Fusion-io ioDrive Duo SSDs: up to TB of stupid-fast storage – SlashGear

When we tested the ioDrive Duo in its high-performance mode, which dropped the formatted capacity to GB from GB per ioDimm, performance more than doubled in some cases. Comparing the performance in both Windows and Linux, we saw more consistent output in the Windows environment over Linux, with many fewer spikes, although not smaller spikes. Burst iodrvie were quite similar between formatting configurations, although the over-provisioned ioDrive Duo started to drop into steady-state quicker.

Both the ioDrive Duo and WarpDrive remained close together in the Web Server average latency test, although both were easily beaten by the R4 in Windows.

Fusion-io ioDrive Duo Review (640GB)

Almost all of the high-latency spikes were suppressed with increased over-provisioning, with the Linux performance improving the most. For Linux, we use bit CentOS 6. With performance and latency going hand in hand, we looked at average and peak latency during our low queue depth 4K random transfer test.

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