Questions tagged [ddrescue]

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How to install gddrescue on Ubuntu 20.04?

How can I install ddrescue for Ubuntu 20.04?
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1answer
36 views

How do I recover NTFS on HDD after mkfs on wrong drive

I'm a total novice that made a mistake while trying to learn about Linux. While trying to figure out how to mount my NTFS data drive (with all my back up photos, music, etc. on it) to a new Ubuntu 18....
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1answer
65 views

How to rescue scratched CDs or DVDs using Ubuntu?

I have several old CDs that have scratches and won't play anymore. The same with a scratched video DVD. Is there any chance to recover the data using Ubuntu?
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1answer
665 views

Files/Directories on exFat are not visible from Windows

Ubuntu 18.04 LTS exfat-fuse / exfat-utils 1.2.8-1 (The latest version that will install after running sudo apt-get update.) Linux is writing files to a Windows exFat partition on a Windows OS disk ...
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1answer
67 views

ddrescue gives less error without the -r option(try reading bad sectors multiple times) than with -n option(omit bad sectors)

I have a hard drive partition (/dev/sdb1, ubuntu 16.04 partition)with bad sectors I intend to create an image of the partition with bad sectors and then restore to a new drive/partition. First I run ...
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1answer
240 views

How to change ownership of files recovered by Scalpel onto exfat partition?

I ran scalpel to recover files. The input disk is a copy of a failing Windows disk I made using ddrescue. The output directory (from scalpel) is on an exfat partition on my Linux disk. I used exfat ...
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2answers
223 views

How to Block Automounting of a Specific Drive (USB connection) With ** Three Mounted Partitions **

I need to block the auto mounting of a specific external drive (USB connection, by UID) that has three different mount points (partitions)? The contents of this drive were created with ddrescue - to ...
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0answers
34 views

ddrescue 1tb hard drive, what configuration should I run?

My current config is: ddrescue -c 1Ki -n -v -a10M /dev/sda2 /mnt/2tb/imgfile /mnt/3tb/log file Just learned how to do this recently. Don't know much about computers, I just want to save my Windows 7 ...
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0answers
46 views

ddrescue cloning disk to disk. I cannot see anything in the new disk why?

I have a failing disk 1TB which does a bit of noise so I decide to use ddrescue to clone disk to disk the failing disk into a new WD 1TB. I was expecting to see information in the new disk while ...
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0answers
28 views

Recover data using ddrescue to make 2-3 parts to smaller drive?

I have a data on a 2 TB HDD which I am trying to recover with ddrescue onto a 1 TB HDD. Can the images made from the source drive with ddrescue be in multiple parts of no more than 1 TB? If so, what ...
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1answer
169 views

ddrescue: Write error: Invalid argument

I'm trying to recover my data from a 500 gigabyte hard drive that is failing. I'm attempting to use ddrescue with the syntax shown in the output below, but I keep getting the error in the title. What ...
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2answers
116 views

ddrescue failure question

I'm trying to run ddrescue on a damaged hard drive. For awhile, it ran smoothly but intermittently, often going several minutes to an hour without getting any data. After, it started going fast, but ...
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0answers
59 views

Ubuntu use of ddrescue

Somehow the partitions on 2 of my 3 hard drives on my Windows 10 system got messed up. drive 1 = 1000gb Seagate - INTERNAL drive 2 = 120gb WD SSD - INTERNAL drive 3 = 7TB WD mybook - EXTERNAL ...
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0answers
231 views

ddrescue: Can't open input file: Invalid argument

I want to make a copy of an external SSD to another external SSD. The SSD I want to copy appears as: media/fabrice/7eb60361-f97b-4929-a0bc-23a88ac7c742 And the other SSD as /dev/sdc when I entered: ...
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0answers
60 views

How to tell ddrescue to skip large portion of the disk mid-way recovery

I am doing a 1TB partition recovery from /dev/sdX3 to a file on a different disk. I am running booted from Live Ubuntu usb. ddrescue was initially run with simple: ddrescue --no-scrape /dev/sdc3 /...
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0answers
36 views

Copy an OS drive with all its partitions, to a bigger hard drive

I have a Windows machine, and it's OS is alongside with the a few more partitions on one hard drive. I want to use Ubuntu live cd, in Order to copy that OS drive to another, bigger hard drive and ...
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1answer
720 views

DDRESCUE - How to re-run first pass (don't do reverse yet)?

I ran ddrescue for a few days, and recovered about 60G. It had slowed to a crawl, and had an ipos of about 90M. I started again, adding -a100000, and it got another 35G in only 3 hours. It started ...
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1answer
915 views

How to mount .img file created from ddrescue from failing hard drive

I've been following this tutorial which got me far enough to create an image file of my failing disc. https://www.technibble.com/guide-using-ddrescue-recover-data/ I'm following step 3a, but I am ...
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2answers
3k views

Using ddrescue to recover hard drive - Don't know if image is being created

I'm an Ubuntu newbie that has tinkered around with it just a tiny bit, but ultimately don't know much about it except how powerful it could be for super users! Also, if this is the wrong place to post ...
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1answer
2k views

Use of block size in dd and ddrescue

I have seen examples of using the dd and ddrescue command, and I see that instead of asking the user for the size of the block on their device, they recommend using bs=1M and I do not understand why. ...
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1answer
1k views

Recovering NTFS filesystem from image

I have a WD Passport 1TB external hard drive that ddrescue managed to save 95% of before the drive stopped reading at all. The recovered data is stored as recovery.img. $ mmls recovery.img DOS ...
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0answers
202 views

Does inputting incorrect disk block size in a ddrescue command give errors in recovery?

I'm creating an image of my 1tb file and used the command: Sudo dd bs=976624564 if=/dev/sda of='/media/ubuntu/externaldrive/image file.img' I checked block size with command "sudo cat /proc/...
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1answer
654 views

Can I use ddrescue & Testdisk in ubuntu to create image to recover data? [duplicate]

I mistakely installed ubuntu over my 1tb drive removing essential data and photos which took about 5 mins to install, so I want to know if I can use ddrescue in Ubuntu to create a virtual image of the ...
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1answer
75 views

md5sum /dev/sdx

I'm trying to make a clone of my SSD, which has Windows 7 installed. I've used ddresuce, and using md5sum as shown below. I'm trying to make an exact copy; how do I verify that it is an exact copy? ...
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0answers
51 views

how can I quickly clone a boot disk?

I have a boot disk (running ubuntu) that is all set up with nginx, php, motion, and some other server stuff, on a 16GB disk drive, using the entire disk. I have several computers to deploy this disk ...
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1answer
72 views

What's the “right thing to do” when latest version of some gnu software is not available via apt-get [duplicate]

I run Ubuntu 16.04 and need to use ddrescue from the gddrescue package. (NB: this is NOT the same software at all as dd_rescue from the ddrescue package). The latest version available via apt-get is 1....
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0answers
87 views

HDD partitions stopped mounting at startup

Apologies for a basic question about Ubuntu from a novice. My laptop has one SSD, where Ubuntu 16.04LTS is installed, and one HDD. They both have several partitions. Yesterday, I tried to recover ...
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1answer
949 views

what specifically does ddrescue --retrim do?

We are currently following the forensic suggestion with a no-retry-logged-scan, direct-read-retry-rescan and follow-up retrim direct scans on a failing hard drive. I thought I had a grasp of what the ...
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1answer
22k views

Need help installing DDrescue on Ubuntu 16.04 thumb drive

I've done it before but I had to re-purposed that USB drive and I can't seem to figure out how I got ddrescue installed the first time around. Which file do I need from here http://ftp.gnu.org/gnu/...
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0answers
342 views

gdd rescue terminate called after throwing an instance of std::bad_alloc

I'm trying to recover data from a failing hard drive with gddrescue. Gdd rescue runs just fine, finding no shortage of errors, utnil it hits a certain point and exits with the message: copying non-...
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0answers
768 views

Recover data from corrupted sd card

My cell phone and computer can't access my SD card anymore which is maybe because of a corrupted block/sector. I tried everything as it contained some useful data i desperately need. It is still ...
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0answers
123 views

Urgent Need help to rescue disk

Please help me to rescue my disk in which I have important data. I have tried with script given below. Nothing has happened. Please give some suggestions. Thanks RB $ sudo ddrescue -f -n /dev/...
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1answer
2k views

ddrescue succesful recue, but no rescued file on output?

I'm trying to recover data from a disk with multiple corrupted sectors. Damaged partition (windows partition, sdb2) in no longer mountable (it takes a lot of time, and sometimes makes ubuntu file ...
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0answers
28 views

Data Recovery of a broken partition using TestDisk [duplicate]

I have a 1.5 TB HDD which recently crapped out on me. I can boot into Windows and see the partitions and the data, but when trying to copy it off the HDD will suddently give in and all I get are I/O ...
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1answer
1k views

Linux search entire hard drive hex bytes for byte string and list all files the data belongs to? [closed]

Apologies for the title. To be more specific, I recall reading this somewhere in the last year when I was trying to repair data damage to a hard drive. I have a windows XP hard drive that suffered a ...
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1answer
1k views

Cannot mount USB (ddrescue) disk image

I was trying to recover some data from a faulty USB stick (NTFS) but before i tested on another USB stick. the Virtualbox VM detected the USB stick which was unmounted in order to make a ddrescue ...
2
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1answer
673 views

Drive Recovery with ddrescue

I'm in the need of recovering data from a 1TB drive. The BIOS reported SMART error(s) and then Ubuntu was kind enough to tell me I have 2 SMART errors. On the drive there is about 250GB worth of ...
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0answers
245 views

“Fixing” Corrupt Sectors in Disk Image

I used ddrescue ( via the gddrescue package ) to create a disk image of a full 1.5TB drive that had multiple partitions. That completed fine using. ddrescue --no-split /dev/sd{X} /path/to/drive.img /...
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2answers
110 views

ddrescue backuped files from broken hdd on a larger HDD -> Partition not enlargeable

Hi I backuped files from a broken 1Terrabyte hdd on a larger 4Terrabyte HDD using Ubuntu. ddrescue -fr -i0 /dev/sdb3 /dev/sdc2 This seemed to work. Back on a Windows System the 4TB HD shows the ...
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1answer
3k views

ddrescue error: ddrescue: Can't open output file: No such file or directory

I have a Windows laptop hard drive that failed (500GB). I tried connecting it to a second computer and it froze the second computer whether it was connected via usb or SATA cable. It was recognized ...
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0answers
896 views

ddrescure raw image? lvm encryption lubuntu hard drive to usb drive

I've read I should ddrescue my not-booting hard drive in raw to a larger USB drive. I read this GNU ddrescue Manual but I'm sure which command to use, and whether to chose direct disk access or raw? I ...
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1answer
76k views

What's the difference between ddrescue, gddrescue, and dd_rescue?

The dd command is commonly used to make image backups of a drive or partition. However, it performs poorly if the source drive is unreliable or failing. I read that ddrescue/dd_rescue is a good tool ...