Linux.com | How to recover lost files after you accidentally wipe your hard drive: "How to recover lost files after you accidentally wipe your hard drive
Monday August 28, 2006 (08:01 AM GMT)
By: Shawn Hermans
Recently I wanted to make sure I had enough space to back up my home digital videos and pictures, so I purchased a new hard drive to add to my home Linux server. I moved all the files I wanted to save onto a single hard drive and repartitioned the old hard drive so I could upgrade to a newer version of Linux. After going through the process of reinstalling the operating system, I mounted the backup hard drive and discovered that it was empty. I had some how mixed up the hard drive I used to back up all the data with a hard drive that I wanted to wipe. Because I had done such a poor job of retaining backups on external media, I did not have any backups of my pictures and videos.
After the overwhelming feeling of dread passed, I started to look into file recovery options. I demoed a variety of commercial products to see if any of them could find my lost files or partitions. Nothing seemed to work. Finally, I discovered TestDisk and PhotoRec, and was able to use the latter to recover my lost files.
TestDisk can recover lost partitions of virtually any filesystem. PhotoRec can recover files of most types, including most picture and video formats. PhotoRec can be used on existing partitions, or can be used to recover files on deleted partitions without having to recover the underlying partitions. Both PhotoRec and TestDisk can be run on DOS, Windows (9x, NT, 2000, XP, 2003), Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, and Mac OS X, and, their developers claim, can be compiled and run on most Unix systems."
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