Ddrescue
From Federal Burro of Information
https://www.gnu.org/software/ddrescue/
https://anarc.at/services/archive/rescue/
https://www.cgsecurity.org/wiki/TestDisk_Download
ddrescue /dev/sdb3 /data/sdb3.ddrescue /data/sdb3.mapfile
recoverdrive.sh
#!/bin/sh ddrescue --no-split /dev/sdb1 /data/sdb2_2.img /data/sdb2.log cp /data/sdb2.log /data/sdb2_2.log ddrescue --direct --max-retries=3 /dev/sdb2 /data/sdb2_2.img /data/sdb2.log cp /data/sdb2.log /data/sdb2_3.log ddrescue --direct --retrim --max-retries=3 /dev/sdb2 /data/sdb2_2.img /data/sdb2.log