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Results: I/O Performance RAID 6

Roundup: Three 16-Port Enterprise SAS Controllers
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RAID 6 is the “hardcore” discipline, as the controllers have to run double redundancy over the entire RAID array. As long as the array is intact, Adaptec is fastest, followed by Areca and Promise. Again, we observed the same bottleneck on the Areca card, which limits the I/O performance in the other RAID configurations. However, Areca manages to maintain the highest performance with two broken drives.

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