| Recover lost files from EXT2FS, EXT3FS on Linux |
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| Scris de Cypress | ||||||
| Thursday, 05 June 2008 | ||||||
 When it comes to the subject of Linux recovery, there are a couple of applications that
can manage to get back your files and/or system and do it natively. But
did you know recovery can be done from Windows too? Suppose you find
yourself in the position of not being able to boot into your Linux
partition because you somehow managed to screw things up badly. The
first thing you would like to do is try to recover your most important
files, and then attempt to fix things. If you have a Windows installed
on one of your other machines, one of the best tools to use in this
case is Disk Doctors Linux Data Recovery.
 Once you have installed the software on Windows machine, attach your Linux drive to this machine. The software can recover files when the files are missing or lost due to corruption in Inode table or damaged Super blocks. When you launch Disk Doctors Linux Data Recovery for the first time, you will notice the little yellow wand icon on the top-left side of the window. That leads to a wizard that greatly simplifies things. Let us say you are looking to recover some lost data from a volume, which is missing and would really like to have the data from it back. Fire up the Wizard and select "Recover your data". Check the hard drive you would like to start recovering from and check the option that lets you chose or even search a certain volume. Every EXT2 and EXT3 volumes available on your HDD will be detected and scanned. Scanning can take a while, depending on the size of the volume and the amount of data stored on it. Go grab yourself a coffee and let the progress bar do it's thing. Once the scan is over, you'll have a clear image of the directory structure of the selected volume, and you'll be able to browse the folders, be they hidden or not. As a test for this review I created and copied over a selection of files on a clean Ubuntu 8.04 installation. I deleted the files and emptied the Trash then rebooted into Windows. To search for the given deleted files, select Turbo Scan from the toolbar. The application will read each Inode sector of every block group and recover data. Browse to the folder you know used to store your files and select them all. Click on Save Checked and select a destination drive. That would be all about undeleting. If the software can do this to your files, imagine how handy it could be when disaster strikes. Disk Doctors Linux Data Recovery can get back your files even after a volume has been reformatted. It doesn't even matter if the volume in question has a different filesystem on it. Besides recovering data, the application also has cloning functions. It can create an exact replica of your Linux partition and save it for later use. If the volume somehow gets corrupted, you can use the image to restore it to it's original status. If you'd rather backup to a hard drive than an image file, use the Clone disk option.  Detection of lost files is done automatically, however, if for some reason the aforementioned files don't show up in the tree view, you can force the search with Turbo Scan. You can keep a record of your files stored on a Linux partition by saving the scan information, which can come handy, if you are recovery a big volume. Go to Tools > Save Scan Information and keep the file handy. You might need it for later to compare old and new recovered files, also saving data after a long scan and there is no need for scanning the drive again if you have the “save scan” information stored.Recovery is possible even when fsck has been run or when the partition has accidentally been altered or erased. In these cases chose Scan For logical Volumes > Thorough Scan, then Turbo Scan. In all, Disk Doctors Linux Data Recovery can also be a lifesaver when dual-booting Linux and Windows. It can be very useful in those moments when you say to yourself "I shouldn't have done that...” You can grab a demo from here or watch it in action in the video below. <video file>
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