![]() ![]() GNU ddrescue is fast and reliable: it skips bad blocks and copies the good blocks, and then comes back to try copying the bad blocks, tracking their location with a simple logfile. dd-rescue is older, and the design of GNU ddrescue probably benefited from it. These days most Linux distributions have live bootable versions so you can use whatever you are comfortable with, provided you add GNU ddrescue and any other rescue software you need.ĭon’t confuse GNU ddrescue with dd-rescue by Kurt Garloff. (Remember the bad old days before USB devices? However did we survive?) SystemRescueCD has a small footprint and is specialized for rescue operations. I like to keep a SystemRescueCD handy, and also on a USB stick. You can even copy Windows and Mac OS X storage devices because GNU ddrescue operates at the block level, rather than the filesystem level, so it doesn’t matter what filesystem is on the device.īefore you run any kind of file recovery or forensic tools on a damaged volume it is a best practice to first make a copy, and then operate on the copy. GNU ddrescue is the premium tool for copying dying hard drives, and any block device such as CDs, DVDs, USB sticks, Compact Flash, SD cards - anything that is recognized by your Linux system as /dev/ foo. The longer it takes to copy your data, the more you risk losing. ![]() ![]() When you rescue your data from a dying hard drive, time is of the essence. ![]()
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March 2023
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