On 11/09/2020 07.58, David C. Rankin wrote:
On 9/9/20 2:21 PM, Carlos E. R. wrote:
El 2020-09-09 a las 16:59 +0200, Bengt Gördén escribió:
The algorithm is designed to be somewhat slow, much slower than dd according to https://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html#Algorithm and unless the -O or --reopen-on-error isn't modified, then the kernel may intentionally further slow the reads even more to attempt a more full recovery.
I can see this becoming more of an issue on multi-terrbyte drives. We are victims of our own success (excess).
But I do not see the point of going slow till it finds errors. I will have to try dd_rhelp the next time. If not, plain dd and hope for the best. Fortunately I was asleep most of the time, but... -- Cheers / Saludos, Carlos E. R. (from 15.1 x86_64 at Telcontar)