On Wednesday 24 May 2006 10:26 am, Norbert Preining wrote:
> 
> Maybe it is only that the hard disk needs so much time to actually safe
> the data and while this time it is blocking. Possible?

My theory is that some drives have problems when lots of data gets written
to them (too quickly?), and so they lock up ... what we don't know is just
why they seem to lock up, but we do know that resetting the drive makes a
decent recovery strategy.

One way to see if the drive itself has locked up is to run "lsusb -v",
since that will issue control requests to the device.  Of course there
are several potential modes of lockup; they don't all prevent control
transfers from working, some could only affect the bulk transfers used
to issue commands to the USB drive, and to read/write data.

- Dave



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