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Serial Cables SA-ENC12G-01A 12Gb/s SAS3 JBOD External Storage Review

By: Paul Alcorn | RAID/HBA in IT/Datacenter | Posted: May 6, 2014 2:00 pm
TweakTown Rating: 96%Manufacturer: Serial Cables

RAID 0 8k Random Read/Write

 

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

 

The Serial Cables 12Gb/s JBOD averages 534,222 IOPS at 256 OIO, and the direct connection averages 537,601 IOPS. Note the dips at 256 OIO; these are from the internal garbage collection routines of the HGST SSD800MH SSDs. These same performance drops occur with both connection methods, verifying they are unrelated to the JBOD.

 

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Latency consistency falls well within expectations.

 

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The 12Gb/s JBOD provides an average of 399,579 IOPS at 256 OIO. The direct connection delivers an average of 400,577 IOPS at 256 OIO. The difference of less than 1,000 IOPS is superb.

 

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Once again, the Serial Cables SA-ENC12G-01A delivers a superb connection for the SSDs, and it remains within the error tolerances of the test.

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