Hello,

On Thu, Jun 09, 2011 at 02:16:07PM +0100, Tim Small wrote:

... if I then didn't power down the drive, but instead attached it
to the Marvell controller, it didn't come back, so I'd guess the
interaction with the 3124 has wedged the drive permanently.

Heh, that's interesting.  The feature isn't very well tested and it
wouldn't be too surprising if there are some bugs on all sides
(driver, controller and drive firmware).  Can you please try with a
drive from a different vendor and see whether it fares any
differently?

Thanks.

-- 
tejun