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Western Digital Red 4TB HDD RAID Report

By: Tyler Bernath | RAID in Storage | Posted: Apr 23, 2014 2:04 pm
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IOMeter - 4k Random Performance with QD

 

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In our first chart above, we have the random read performance of four drives in several configurations. As you can see, all RAID modes perform about the same as a single drive at QD1, but things quickly start changing as we ramp up the queue depth.

 

western_digital_red_4tb_hdd_raid_report_21

 

Random write shows a little more performance variance between each RAID mode. RAID 0 performs the best, as expected, with RAID 10 on par with a two-drive RAID 0 array.

 

 

IOMeter - 4k Random Response Times with QD

 

western_digital_red_4tb_hdd_raid_report_22

 

Random read response times were at their best with RAID 5, 10, and a four-drive RAID 0 array.

 

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Random write response times were the lowest with the four-drive RAID 0 array and highest with the single drive and RAID 5 array.

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