On 22/04/2012 22:43, Axel Dörfler wrote: > 'dd' does not use the file system layer, just the hardware driver, so > that should indeed be able to ignore the error without a KDL (it may > need an option to do so, though). Actually no, or at least not in a way that can continue to make a proper image of the disk (it offsets due to missing data), which is why dd_rescue was written. François.