Hi all,
Just bought a usb 3.0 card based on a NEC chipset at fry's and gave it a spin with knoppix 7.0 that came with linuxpromagazine.
(BYTECC USB 3.0 2 PORT PCIe HOST BUS ADAPTER - BT-PEU310 NEC uPD720200 Chipset for $17.99)
I hooked up my Western Digital 2TB mybook, and was getting strange results: On the left usb 3.0 port I got 40MB/sec transfer rates, on the right usb 3.0 port I got the full 120MB/sec transfer rates. Also it was crashing something when I started plugging and unplugging the usb cable between the different usb ports.
I switched to knoppix 7.0.4 and all of the problems went away. Yay! Got full 120MB/sec transfer speeds on both ports.
I've done a read scan of the full 2TB multiple times on both ports and it looks good. md5sum is your friend for testing hard drives.
dd_rescue /dev/sdd /dev/stdout | md5sum
(be careful with dd, dd_rescue as with incorrect parameters you can erase your disks. They don't call it "disk destroyer" for nothing)
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