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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
TweakTown Rating: 91%Manufacturer: Serial Cables

8k Random Read/Write






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.






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




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






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






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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