On 2010-01-09, Neil Bothwick <[email protected]> wrote: > On Sat, 9 Jan 2010 07:20:18 +0000, Valmor de Almeida wrote: > >> Sometimes the "current rate" reads 0 B/s for a long time... and "time >> from last successful read" can be 8m. >> >> Would any one know whether this is normal? > > Doesn't ddrescue retry on blocks it cannot read? > > That would explain the variable read rate, even the period of > zero activity. If your drive is that badly damaged, dd would > have been no use anyway.
Yes. On a disk with a lot of bad blocks it can be very slow as it retries bad blocks and narrows the failed regions. -- Grant
