Then again you may lose key inodes (like your root filesystem inode). ![]() This may just end up overwriting the bad superblock with one of the known good ones, which could be enough to get the entire disk remounted. It also extends the work to function on the ext4 filesystem. Select recovery mode and click Startbutton to let scanning process work. To recover data from it, you can also select the drive and click File Recovery. ![]() In the screenshot below, there is an ext4 partition on HD2 and it contains lost files. It extends the work by Carlo Wood on examining the ext3 journal and other metadata for data recovery for efficiency and usability, as well as making use of the ext2fs library. Launch DiskGenius, right-click on the ext4 partition and choose Recover Lost Files. Backup the data with dd or something before you do this. extundelete is a utility which recovers deleted files from ext4 and ext4 partitions. Share Improve this answer Follow edited at 14:26 Rui F Ribeiro 55. Best Data Recovery software, recovers deleted files, docs, partitions, photos, videos etc. sudo fsck.ext4 -v /dev/sda10 I recorded the steps in this blog post. If that doesn't work however, you can try to fix the filesystem using fsck.ext4 by specifying the superblock address. I accidentally formatted an ext4 partition to NTFS in my Ubuntu 16.04 recently and was able to recover the full partition successfully by running a file system check. TestDisk is gained towards partition recovery, whilst PhotoRec uses. ![]() TestDisk, now at version 6.13 has had support for ext4 since version 6.11. When it comes to tools you could try out TestDisk and PhotoRec. Providing only the headers of the partition were destroyed this may work. If you use software that risk modifying the deleted partition you should first make an image of the disk using dd, ddrescue or the like. ![]() Using this information, attempt to mount the drive using an alternative superblock. Of note is that it will tell you where the superblock locations are. If you run mkfs.ext4 -n /the/partition it will print out what a EXT4 formatted drive would look like on that system.
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