Very slow USB 3.0 data transfer on Ubuntu 11.10

Liam Proven lproven at gmail.com
Mon Oct 17 19:23:57 UTC 2011


On 17 October 2011 14:52, Christopher Beynon
<christopher.beynon at gmail.com> wrote:
> Computer: ZOTAC ZBOX AD02 (AMD E-350 APU Platform) with two USB 3.0 ports.
> Ubuntu 11.10.
> Two external harddisks (FAT 32 resp. NTFS) in USB 3.0 enclosures.
> When copying between to two harddisks, I get only transfer rates of
> about 6 MB/s.
> With Windows 7 with the same setup (dual boot) I get transfer rates of
> about 80 MB/s.
>
> Any suggestions?

Sounds very odd. Perhaps some kernel driver issue. Can you try testing
with a couple of non-Ubuntu distros booted from LiveCD, such as MEPIS
and PCLinuxOS or Fedora?

-- 
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