All Questions
21 questions
2votes
1answer
130views
How do I actually fix a badly corrupted (but with hardware OK) ext4 system?
While creating an install USB disk, I made the trivial error of indicating the wrong device, and ended up overwriting the initial few hundred megabytes of a 230 GB disk. The data was not extremely ...
0votes
1answer
106views
ext4 and chattr ( change attributes ) 's - undo ( u ) option
This is an microsd ext4 card on a rooted Android, where I want to use busybox chattr -R +u /mypath I know what +u means but does anyone have an idea about how the undo option is implemented for ext4 ...
- 133
1vote
0answers
958views
Ext4 All data deleted, can't recover
I don't know what I did, but I made a disaster and lost around 50000 family pictures. There was inside a raid1. ls return just 2 files: root@NAS:/srv/dev-disk-by-label-RAID1# ls aquota.group aquota....
2votes
0answers
4kviews
How do I get a list of files deleted from ext4 filesystem ...?
I recently accidentally deleted some files on an ext4 partition with rm -rf. I haven't overwritten the space, and have a copy of both the journal and the whole filesystem (via dd) from shortly after ...
- 121
1vote
1answer
820views
Metadata recovery from corrupted ext4 partition
I have a rather complicated data recovery task. I want to get some metadata (filenames, directory structure etc.) out of a corrupted ext4 filesystem. I tried a bunch of tools (Testdisk, fsck, foremost)...
- 111
0votes
1answer
2kviews
How to mount a backup ext4 superblock? I got an error when following instructions [duplicate]
I'm trying to recover stuff after I accidentally formatted an ext4 partition. I'm running the system from a Live USB, and following this guide to mount a backup superblock. However, I get an error ...
- 101
0votes
1answer
1kviews
Does ext3grep work on ext4?
Does ext3grep work on ext4? It is recommended in https://unix.stackexchange.com/a/237142/674 and https://askubuntu.com/a/217632/. In the first link, its option to specify the time window of deletion ...
- 106k
1vote
1answer
414views
Recover data from truncated partition image
I'm trying to recover data from damaged 3TB drive. I'm using ddrescue to make an image of it, but it takes forever while there are lots of read errors. I was wondering if I can have some luck with ...
- 133
2votes
0answers
266views
Recover accidentally deleted custom files
I accidentally deleted important custom (not known-or-commercial) files from my scientific researches on image processing. I created the files by collecting raw digital signals from an image sensor. ...
- 140
2votes
1answer
317views
How to recover when ext4 superblock's inode count is reset to 0
We tried to resize a 15TB ext4 partition to 16TB and accidentally managed to hit an old (and fixed in newer releases) off-by-one bug of ext4_resize_fs() which causes inode count to reset to 0 thanks ...
- 21
0votes
1answer
191views
How to list all recoverable deleted files and folders?
Is there a way to list all deleted files and folders which can be recovered in Linux? Is there a way to show the health of recoverability of those deleted files and folders?
- 123
2votes
1answer
224views
Recover file system after overwriting first sectors
I have accidentally overwritten the first few GB of my external hard drive with dd. Previously the file system had a NTFS file system of about 3TB and at the end an 1 TB ext4 file system containing my ...
- 21
2votes
1answer
3kviews
How do I mount an Ext4 File System with an alternate SuperBlock?
I know how to get back a working file-system(FS), the usual way, by running e2fsck -b alt_SB_no /dev/sdX which will fix my FS. I have an ext4 image-file that is corrupt - I want to patch in just ...
- 21
1vote
0answers
1kviews
Corrupt ext4 file system
I have a RAID 1 (hardware) array, where the system crashed, and I removed the hard drives. It is my understanding that a RAID 1 drive should work as an individual drive, as the RAID data is stored at ...
- 687
0votes
2answers
2kviews
Recover specific files from deleted EXT4 partition
Is there any way to recover a few specific files from a deleted EXT4 partition. I deleted all partitions on my 480GB SSD. Afterwards, I created a 200 GB NTFS partition (which is mostly empty) and I ...
- 185
