Highpoint Rocketraid 640 - FreeBSD 8.0 support and driver? [Archive] - The FreeBSD Forums: "interesting: http://www.bit-tech.net/hardware/2011/01/04/high-point-rocketraid-640-review/
Conclusion (http://www.bit-tech.net/hardware/2011/01/04/high-point-rocketraid-640-review/6)
While the Rocket 620 is a great option for those who don’t have a SATA 6Gbps port, or who want to maximise
their SATA 6Gbps performance, it does have limitations that are solved by the RocketRAID 640. Adding a second
drive when using the 620 resulted in heavy bottlenecking when both drives were used simultaneously, whereas we
saw great two-disk JBOD performance when using the 640.
However, the RocketRAID 640 brings its own problems, and while a two-disk JBOD setup works great thanks to the
dual Marvell 9128 controllers, adding a third or fourth drive in JBOD configuration will result in very poor
performance."
'via Blog this'
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