ubuntu@ubuntu:~$ sudo ddrescue -n /dev/sda /media/ubuntu/Seagate\ Expansion\ Drive/sda-pass1.ddrescue
GNU ddrescue 1.19
Press Ctrl-C to interrupt
rescued:   191037 kB,  errsize:       0 B,  current rate:     117 MB/s
rescued:     1188 MB,  errsize:    217 kB,  current rate:     133 kB/s
rescued:   875028 MB,  errsize:  36057 kB,  current rate:     3584 B/s ago
   ipos:   875183 MB,   errors:     929,    average rate:   32126 kB/s ago
   opos:   875183 MB, run time:    7.56 h,  successful read:       0 s ago
Copying non-tried blocks... Pass 1 (forwards)