On Mon, Nov 30, 2020, 12:34 AM Christian Corti via cctalk < cctalk@classiccmp.org> wrote:
> On Sun, 29 Nov 2020, Liam Proven wrote: > > If there are any errors on the drive, I would recommend GNU > > ``ddrescue``. Do not confuse this with the older (but still > > maintained) dd_rescue which is the product that inspired the GNU one; > > the newer one is more capable. > > > > It images but skips and continues on error, whereas ``dd`` will simply > fail. > > Without havingh read the man page of ddrescue, does it do more magic than > "dd conv=noerror,sync" ? > Yes. It retries with different block sizes to recover stubborn to read data. It keeps track so you can hammer for days or weeks on the stubborn bits of the disk Warner >
