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Serial Cables 24-bay 12Gbps SAS Enterprise JBOD Enclosure Review

By: Paul Alcorn | RAID/HBA in IT/Datacenter | Posted: Feb 20, 2015 3:10 pm
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TweakTown 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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