Thank you, Antonio! That makes a lot of sense! I'll try the -D switch to test it out👍
Btw, where are you from? Because Antonio Díaz sounds very Spanish. I'm from Madrid 😄 On Tue, 24 Jan 2023 at 16:44, Antonio Diaz Diaz <anto...@gnu.org> wrote: > Hello Chevy, > > Chevy Bullido wrote: > > During all these years, I've noticed that when cloning even healthy > drives, > > the cloning process freezes for a few seconds (6, 10, 14...) and after it > > keeps going like nothing happened. Is this normal? Or is something that > I'm > > doing wrong? > > It may be the interaction between caching and different speed of read and > write. Maybe read is faster than write, the kernel caches writes until the > write buffer is full. Then ddrescue has to wait in a write call until the > cached data is written to the output device. > > You may try direct access (-D, --odirect) to verify this: > > ddrescue -vD -P8 -f /dev/sdc /dev/sdd cloneTeresaFinal.log > > > Thank you for your time and for this amazing app > > You are welcome. :-) > > Antonio. >