Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [ddrescue]

The tag has no usage guidance.

1
vote
1answer
22 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 ...
0
votes
0answers
23 views

Continuing DDRESCUE; was destination *OVERWRITTEN* on 2nd stage?

I ran this for a few days (dropped laptop, crashed hard drive): sudo ddrescue -f -n /dev/sda /dev/sdc /home/Brian/desktop/rescue.log I was running it overnight, as I needed my computer during the ...
0
votes
0answers
97 views

Trying to recover data with ddrescue. Getting nothing but read errors. Heads shot?

I have a drive from a Windows PC that wouldn't boot. TestDisk and other utilities didn't find any partitions on it. Both Windows and Linux OS's show the entire drive as unallocated space. I started ...
0
votes
0answers
261 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 ...
0
votes
2answers
714 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 ...
0
votes
1answer
206 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. ...
0
votes
1answer
280 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 ...
0
votes
0answers
83 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/...
3
votes
1answer
309 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 ...
1
vote
1answer
44 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? ...
0
votes
0answers
50 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 ...
1
vote
1answer
55 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....
1
vote
0answers
72 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 ...
1
vote
1answer
565 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 ...
6
votes
1answer
11k 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/...
1
vote
0answers
283 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-...
1
vote
0answers
542 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 ...
0
votes
0answers
100 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/...
0
votes
1answer
1k 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 ...
0
votes
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 ...
0
votes
1answer
815 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 ...
1
vote
1answer
857 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
votes
1answer
515 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 ...
1
vote
0answers
128 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 /...
0
votes
2answers
104 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 ...
0
votes
1answer
2k 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 ...
1
vote
0answers
764 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 ...