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Data Recovery

October 5, 2010 by Igor Drobot Leave a Comment

Each of you looses already some important files like photos or important documents.
After a normal Windows crash it’ s not a problem to get all your data back.
I show you some methods to get your data back.

These two examples are taken directly from the ddrescue info pages.

Example 1: Rescue an ext3 partition in /dev/hda2 to /dev/hdb2

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dd_rescue /dev/hda2 /dev/hdb2 -l logfile.txt
e2fsck -v -f /dev/hdb2
mount -t ext3 -o ro /dev/hdb2 /mnt

dd_rescue /dev/hda2 /dev/hdb2 -l logfile.txt e2fsck -v -f /dev/hdb2 mount -t ext3 -o ro /dev/hdb2 /mnt

If you have a damaged hard disk /dev/sda1 and you have an empty space hard disk /dev/sdb1 You can copy data from /dev/sda1 to /dev/sdb1 use the following commnd

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dd_rescue /dev/sda1 /dev/sda2/backup.img
# To mount use:
mount -t ext3 /dev/sda2/backup.img mnt/ -o loop

dd_rescue /dev/sda1 /dev/sda2/backup.img # To mount use: mount -t ext3 /dev/sda2/backup.img mnt/ -o loop

Example 2: Rescue a CD-ROM in /dev/cdrom

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ddrescue -b 2048 /dev/cdrom cdimage logfile

ddrescue -b 2048 /dev/cdrom cdimage logfile

Filed Under: Bash, Debian, Linux, Ubuntu Tagged With: dd, dd_rescue. restore data, HDD recovery