Questions tagged [data-recovery]

Questions about recovering data. Includes data loss due to hardware failure, software failure, and user or administrator failure (accidental delete). Please also add tags for the specific things involved, such as /raid, /ext4, /hard-disk, /rm, etc.

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Recreate folder structure using md5 hashes

Given a long list of md5 checksums and copies of these files, renamed and in different folder structures: How can I recreate or recover the original filesystem structure? Assuming no hash collisions. ...
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1answer
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hard disk failure, diagnostic and fixing

There was a hard disk failure on my laptop. 500GB SATA disk. So I'll have to replace the disk and try to recover user data. Disk is about 4 year old. Not sure how serious the disk corruption is. I did ...
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1answer
32 views

GNU ddrescue to copy directories or folders from hard disk

Debian 9 (Stretch) laptop, and attached external hard disk in enclosure. How to use GNU ddrescue to copy folders or files from failed hard disk? (not the whole disk image). For example, /home ...
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1answer
22 views

How to recover an overwritten file from a mounted VeraCrypt encrypted disk?

When copy and pasting commands with a space at the end it automatically runs the command without requiring the user to press enter. This is why I overwrote a large text file with a cp ./newfile ./...
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1answer
27 views

Time Machine system recovery alternative for linux

Does a Linux alternative to Time Machine (macOS) exist? I'm looking for the recovery mode feature that lets you restore the system completely. Can programs like Cronopete or Back in Time do that?
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2answers
92 views

How can I repair a Linux installation after mistakenly running rm -rf /*?

I executed rm -rf /* as root while in the /var directory on a RHEL7 system. I pressed Ctrl+C as soon as I realized to stop the operation, but I am now unable to log into the system. I don't know how ...
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43 views

What is the absolute best way to permenantly delete a file?

I'm talking even NSA wouldn't be able to recover the deleted files. I'm using Xubuntu 20.04 LTS.
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1answer
35 views

Can I re-assemble my RAID 5 on only 2 drives using mdadm to recover my data?

I have a 3 drives RAID 5 on a CentOS NAS but 1 drive died. Since then, CentOS boot in emergency mode and I can't manage to get access to my data. I tried mdadm --assemble --scan and command returns ...
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13 views

Recover files deleted by rdiff-backup

I used the following rdiff-backup command to backup my home directory onto a mounted drive /run/media/me/bku. rdiff-backup -v 9 --force --include /home/me/ --exclude '**' / /run/media/me/bku At the ...
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0answers
11 views

missed folder from my hard disk

I having a missing folder in my Externl Hard Drive Disk (E-HDD) (I didn't delete it). It's always in the E-HDD since the disk size didn't change. when I used TestDisk (advenced/Undelete option),I ...
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23 views

Suddenly lost files on Lenovo Y540, Mageia 7 without warnings

My system: Intel Core i7 9750H. Partitions are GPT type. Root partition (ext4) is installed on SSD. Home partition (ext4) is on Western 1TB. Mageia 7, kernel desktop 5.4.17, KDE 5.57. File manager ...
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1answer
70 views

Is here a way to undelete very deleted file? [closed]

PC not support more OSes than 2 (it includes also live-boot ) - I have windows ( I don't use ) and ubuntu 20.04 Programs which I tried ( and didn't worked ) : grep, extundelete, debugfs, ext4magic, ...
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Ubuntu/Windows - Help please! How to undelete svn deleted directory?

I have a dual boot (Windows/Ubuntu), and a HDD drive in NTFS that is shared between both. In that drive I have an svn repository. I use rabbitcvs in Ubuntu. What happened: I was going to upload a ...
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14 views

How to (re)assemble raid5 array from files?

I have a RAID5 array with 3 disks, I have the image (files) of two of them only. How can I use mdadm to obtain an image of the volume ? I can use the linux subsystem from Windows or a GNULinux virtual ...
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25 views

Recover deleted partition on linux pc

Have checked previous questions and comments but can't find what's relevant to my case. Issue is I have a 500GB hard dish which I partitioned into several parts 1 Partition for Windows OS 1 Partition ...
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0answers
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Disk space used but no files available after failed partition resize with GParted

I have a 1To SATA HDD connected on my Ubuntu 20.04 machine. I started a partition resize with GParted to claim the last 100Go that were unused. Unfortunately my machine shut down during the process. ...
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0answers
28 views

How can I rescue broken data on an USB stick when ddrescue and safecopy do not find any errors on the drive?

After a friend wanted to copy pictures onto my 8 GB USB stick all data is corrupted. The USB stick was mainly used on Windows before. Also my friend used Windows to copy the pictures. Maybe he ...
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21 views

Recover data that I backup up a long time ago

I shall start this off by saying that I am a complete novice with computers and may have permanently lost my data... I had a problem ~10 years ago where a hard drive got corrupted. At that time I ...
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1answer
21 views

Need help restoring a corrupted folder

I have a mechanical hard drive that I was trying to access files on. I bought a cheap SATA to USB adapter. Said adapter was underpowered, and I could hear the platter revving up and down. I made the ...
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0answers
63 views

Does anyone know the way to undelete file on ZFS?

Is there any way to undelete file on ZFS. I overwrote JPG file with the scanned image. Unfortunately, I didn't take snapshot. But ZFS uses the CoW mechanism, overwritten data may still alive, I think. ...
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0answers
5 views

Wrote to one disk of raid array, files truncated, trying to recover data, arch linux

I'm trying to recover some data from a corrupt RAID1 pair and wanted some advice before I make matters worse. This is how I caused the problem: I wanted to save some data prior to reinstalling my OS. ...
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1answer
63 views

Is it possible to recover my HDD

Recently my PC running Debian crashed and I had to perform hard reboot. Since then I am not able to detect my 500GB Seagate HDD with around 6 partitions. At first it wasn't being detected in BIOS but ...
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0answers
68 views

Are prints to files logged somewhere?

So, I had a little accident the other day. I printed a file from a website to a PDF (using the Firefox print-to-file functionality). Unfortunately, I forgot to change the filename of the destination ...
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0answers
21 views

Files lost by encfs

I would like to ask you for a help. I recently used the software encfs in my ubuntu 18.04 laptop. I created a new stash using the same software in my desktop. I would like to list the steps.... I ...
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1answer
32 views

How to process dd-created disk image, which is corrupted (disk died during dumping)

I have a laptop with HDD which had issues with booting (windows10). I assumed that Windows just failed some way. I've booted from LinuxLiveUSB and tried to dump the disk using dd. DD failed on 85GB ...
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0answers
24 views

How to compare RAID mirror elements?

I've got a RAID mirror (md1) with three devices (sdc, sdd, sdf). Something went wrong overnight, the array went readonly, and fsck found thousands of inodes with inline_data_fl set and/or on the ...
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1answer
41 views

Follow up questions for using ddrescue with a USB enclosure

I was unable to recover my other account where I originally asked a question, so I'm hoping it's ok that I ask some follow up questions here I'm looking to use ddrescue to clone a failing drive that I ...
2
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1answer
159 views

ddrescue with USB Enclosure

I'm about to start a recovery with ddrescue and was wondering if I'm on the right path with these steps. I'm planning to: boot via Ubuntu live USB and use ddrescue disable automount in Ubuntu connect ...
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1answer
67 views

My co-worker deleted /usr/bin by mistake

I know it is my fault to authorize him as a superuser, and I don't have enough knowledge about CentOS 7. As I wrote in the title, our VPS which runs CentOS 7 lost /usr/bin by mistake. And the server ...
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2answers
160 views

Restore deleted version of nginx configuration

I applied the following wrong Sed command to my nginx configuration: sed 's/php7.2-fpm/php7.4-fpm/g' /etc/nginx/sites-enabled/default > /etc/nginx/sites-enabled/default And the entire file is gone....
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60 views

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....
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1answer
26 views

TestDisk always return corrupted files

I accidentally remove all of my files (Python Files) in Visual Studio Code, and I tried to use testdisk tool to recover them, I checked what filesystem I'm using, and it is /dev/sda5 and the type is ...
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1answer
50 views

How can I boot a Chromebook Lenovo Yoga e11 that has a 'broken' eMMC?

I have a chromebook that has a broken eMMC drive on the mother board. I removed the screw protection from it so there is no OS verification. One problem is that I can't enter ChromeOS to enable boot ...
1
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1answer
31 views

Is it possible to read a .sh that was deleted from file system but is being executed? [duplicate]

I've received a project that some dude did and it's on production stage. But that guy had some issues with project managers and other team members (bad attitude, being an ass.. etc). Intentionally he ...
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2answers
86 views

zpool import fails with value too large for defined data type

I have a 3 disk zpool doesn't want to import back after formating my OS drive and reinstalling and trying to reimport. (Went from Mint 19 to 20, imported once, OS reboot, after reboot, then won't ...
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0answers
55 views

how to delete a file physically from disk in linux so that there is no way it can be recovered?

I am trying to delete a file in linux, (Ubuntu 20.04). As per my understanding, when we delete a file, the inode and directory entry structures are modified first and the file is actually deleted at a ...
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0answers
9 views

Shrink raid6 array which is one component of a btrfs multi-device file system

Okay, here's my situation. I'm on a limited budget now (as always) and I'm trying to fix an issue. I've had my main fileserver run into file corruption issues while trying to make a backup to my ...
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0answers
56 views

Recover old HOME directory data from USB external HDD error: mount: unknown filesystem type 'LVM2_member', Couldn't find valid filesystem superblock

Reason: /boot filesystem corrupted: Both bootable hard drive cables were disconnected with motherboard by accident when it was powered on, which caused the HDDs /boot filesystem crashed. CentOS 7 ...
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0answers
16 views

restoring a deleted file, returning an error

I've had the bad luck of removing a file that was not yet added to a git repository. I'm trying to recover it with this code: mount -o remount, ro /dev/sda1 # to remount in read only mode. extundelete ...
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0answers
194 views

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 ...
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0answers
17 views

Installing Ubuntu as dual-boot without previous partitioning

My previous operating system was a Windows 8.1 with two virtual partitions (C: and D:) and it got a Black Screen of Death after the logon. Running commands like msconfig at this point was possible, ...
0
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1answer
29 views

Is there any way to recover files from the informations in `/proc`? [duplicate]

I have just asked in an interview that if someone mistakenly deletes apache logfile from /var/log/apache/access.log while it's being written, can you recover it? After my answer interviewer said that ...
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0answers
14 views

Can't resume drive recovery dd rescue v2.1.0

When I look up how to resume a drive recovery, I get told to run it again using the same input, output, and mapfile. But when I try it on DDRescue_GUI, it tells me "File already exists. Do you ...
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0answers
17 views

lun on raid 6 recoverable?

Raid 6 was on 8 drives, 2 failed. Qnap rebuilt the raid on 7 drives, raid rebuilt on new drives one at a time. That was a week ago and they've gone silent. Reaching out to see if anyone else can ...
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0answers
38 views

Unable to mount and read data due to unsupported optional features, wrong fs type, bad option, bad superblock, etc

I'm trying to either recover the data or repair the disk(s) from a 2 disk RAID 1 setup. While migrating the data from the RAID (/dev/sdd1) to another pair of disks, the machine locked up during the ...
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1answer
110 views

How do I recover the partition table on linux raid

I have a Linux raid (those md device), it only contains one drive, and it has a btrfs patition on it. I accidently do the following thing: fdisk /dev/md126 I didn't see the warning The old btrfs ...
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0answers
14 views

restore data from internal storage of android phone

I am struggelling with the file recovery of an internal storage of an android phone. I made a dd copy of the /dev/sda device which includes the system and userdata and some other partitions of the ...
0
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1answer
39 views

LUKS: find a deleted key(slot)

I have an external backup hard drive that is encrypted using LUKS. As I was re-organising my backups, I copied the data to another encrypted drive and did a kind of "quick wipe" on the original drive ...
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0answers
24 views

Recovering corrupted data from usb sticks

I have been asked by a friend to try to recover some photos from two usb sticks and have come to the conclusion I know nothing about these sorts of things. A little bit of background about both usb ...
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0answers
21 views

Search for a hex pattern throughout a volume

The inode table of my USB device was removed (/dev/sda). I am hoping to recover a file that contained a unique string which in hex format is: "6d 61 79 32 30 32 30" Is it possible to search ...

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