This is launching ddrescue in verbose mode (-v), will skip the splitting failed blocks step (-n), sets the cluster size of sectors read to 4096, and copies the raw disk data from /dev/rdisk3s2 to a dmg named Rescue. Sudo /opt/local/bin/ddrescue -v -n -c 4096 /dev/rdisk3s2 Rescue.dmg Rescue.log I also noticed that in the console I was getting periodic lines of: Disk Utility is showing a greyed out "Macintosh HD" partition, that is formatted with HFS+, which was promising, but there was no way to access the files. Plugged it into my Mac Pro, and no go, the drive will not mount. So I got out the micro screw drivers, and T6 torx bit, and pulled the drive, to put it in an external FW case. Thought 2- this is an old machine (2007 MBP), perhaps it is the SATA chip on board that is dying. Tried to connect the MBP in FireWire mode to my Mac Pro- no go. My first thought was "No biggie- we have Time Machine!" So I go and look through the remote TM drive files, and realize that the last time my wife's machine was backed up, was roughly a year ago, around the time we installed Lion on it. I quickly shut the machine off in order to prevent further damage in case anything was salvageable. Upon a reboot in verbose mode (as the machine wouldn't boot) I was getting the dreaded Bus I/O error when the drive was being accessed. So on Wednesday night, my wife's MBP hard drive suddenly died. Back Story - (skip down to the next section for the data recovery portion) I thought this might be useful to the rest of the MacAch, in case anyone else ends up in a similar situation.
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