3/4/2018 - 5:01 PM

ddrescue memo

Memo of ddrescue commands (Ubuntu)

# install the tool
sudo add-apt-repository universe
sudo apt-get update
sudo apt-get install gddrescue

# get the *physical* sector size
sudo fdisk -l

# first pass without deep analysis to not stress the storage medium
sudo ddrescue -b{{size}} [-f] -n /source /destination logfile.log

# second pass with deeper search and retries
sudo ddrescue -b{{size}} -d -r3 /source /destination logfile.log

# file system check on the recovered data
sudo fsck -f /destination