> > Disable NCQ and your problem will go away. > > maybe there is a jumper on HDD to disable it? No jumper, but it looks pretty disabled to me anyway. The drives do have a jumper that halves the bus speed to 150MB/s but AFAICS that leaves the other SATA II features untouched. C. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html