ZFS + usb in trouble?

[Hans Petter Selasky]

On Monday 21 January 2013 22:36:04 Hans Petter Selasky wrote:
> On Monday 21 January 2013 22:17:19 Pawel Jakub Dawidek wrote:
> > I used wrong Hans' login, resending with the proper e-mail.
> 
> Hi,
> 
> You should try to use some tools to write some random data and read it back
> and see if the data is the same, at /dev/daX level. The USB wrapper for
> SCSI is very simple and it passes commands directly from CAM to the
> hardware. I would be surprised if data was corrupted at this stage.

Please also check if your USB device suffers from the lack of SYNCHRONIZE 
CACHE.

--HPS