On Mon, Nov 30, 2020, 12:34 AM Christian Corti via cctalk <
cctalk at 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