I have lost datas in a memory card. So, I decided to use ddrescue. Fine. But after running command
sudo ddrescue -f -r3 /dev/sdb1 /dev/sda5 logfile, I lost all my data in
/dev/sda5. I don't know why.
And I found that
Destination will be overwritten ─ so make sure destination is free of important data.
How can I recover my data in
/dev/sda5? Should I continue to using