This is an old revision of the document!
http://www.forensicswiki.org/wiki/Ddrescue
http://www.gnu.org/s/ddrescue/ddrescue.html
http://www.garloff.de/kurt/linux/ddrescue/
http://blog.normation.com/2011/04/07/mounting-partitions-stored-in-a-logical-volume-or-a-disk-image/
http://pve.proxmox.com/wiki/SMEServer_LVM_Recovery_using_Knoppix_LiveCD
http://www.linuxjournal.com/article/8874
http://www.debianadmin.com/recover-data-from-a-dead-hard-drive-using-ddrescue.html
http://www.cgsecurity.org/wiki/TestDisk
http://www.howtoforge.com/data_recovery_with_testdisk