Serial Cables 24-bay 12Gbps SAS Enterprise JBOD Enclosure Review (Page 5)

| Feb 20, 2015 at 9:10 am CST
Rating: 91%Manufacturer: Serial Cables

8k Random Read/Write

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Many server workloads rely heavily upon 8k performance, and we include this as a standard with each evaluation. Many of our server workloads also test 8k performance with various mixed read/write distributions.

The performance of the HGST 12Gb/s SSD array is impressive, and delivers roughly 500,000 IOPS of performance that is unhindered by the JBOD, which scores a very similar result.

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There is little to no variation in performance and latency during the measurement window.

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The 8k random write speed averages to 460,000 IOPS, with little variation between the direct cabling and JBOD deployments.

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The JBOD connection results line up neatly with the direct cabling attachment method.

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The mixed results also paint a similar picture, but we do note some variability from 60-80% write mixtures. Both arrays experience the same variability, so this can be chalked up to internal drive management, or RAID controller processes.

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ABOUT THE AUTHOR -

The quest for benchmark world records led Paul further and further down the overclocking rabbit hole. SSDs and RAID controllers were a big part of that equation, allowing him to push performance to the bleeding edge. Finding the fastest and most extreme storage solutions led to experience with a myriad of high-end enterprise devices. Soon testing SSDs and Enterprise RAID controllers at the limits of their performance became Paul's real passion, one that is carried out through writing articles and reviews.

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