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brianlamb/ddrescue dvdrescue copying whole disk

Created January 15, 2021 01:20
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ddrescue dvdrescue copying whole disk
brew ddrescue
diskutil unmount[|unmountDisk] /dev/<dvd drive disk>
ddrescue -n -b2048 /dev/<dvd drive disk> diskimagename.[iso|disk] mapfile
ddrescue -d -r1 -b2048 /dev/cdrom cdimage mapfile
brew -- dvdbackup
$ cd /dir/where/you/save/the/dvd
[OS X]
$ diskutil unmount /dev/diskXX
# insert DVD to be copied
$ dvdbackup -M -i /dev/diskXX --progress
$ genisoimage -dvd-video -udf -o movie.iso /dir/where/you/save/the/dvd
$ eject /dev/dvd
# now insert a blank DVD
$ growisofs -Z /dev/dvd=movie.iso
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