$ time sudo ddrescue -f /dev/sda /home/ubuntu/sdb/br3.img log
GNU ddrescue 1.23
Press Ctrl-C to interrupt
     ipos:  120034 MB, non-trimmed:        0 B,  current rate:   1204 kB/s
     opos:  120034 MB, non-scraped:        0 B,  average rate:  88455 kB/s
non-tried:        0 B,  bad-sector:        0 B,    error rate:       0 B/s
  rescued:  120034 MB,   bad areas:        0,        run time:     22m 36s
pct rescued:  100.00%, read errors:        0,  remaining time:         n/a
                              time since last successful read:         n/a
Finished                                     

real    22m39.809s
user    0m7.756s
sys     3m43.074s