I got it to start at the beginning by setting both -i and -s. Setting just -i was being ignored.

I ran ddrescue for a few days, and recovered about 60G. It had slowed to a crawl, and had an ipos of about 90M. I started again with -a100000, and it got another 35G in only 3 hours. It started the reverse phase, and it was now making a lot of noise, and was reading very little data (the time since ...

Thanks. I think I'm getting old. I had ran that first phase just over a year ago, and the drive has been in a drawer. I found my notes, and this isn't a map/log file problem.

I've ran into another problem, and I'm posting separately about it.

I ran this for a few days (dropped laptop, crashed hard drive): sudo ddrescue -f -n /dev/sda /dev/sdc /home/Brian/desktop/rescue.log I was running it overnight, as I needed my computer during the day. (I was swapping in the crashed hard drive at night, booting from a Live USB, and copying to a brand...