Questions tagged [ddrescue]
55 questions
76
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1 answer
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 to use to recover an image from a bad drive, since…
Mechanical snail
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8
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1 answer
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/ddrescue/ and, once copied to my bootable thumb…
PaulS
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7
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2 answers
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?
mniess
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4
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1 answer
Using Ubuntu to save a dying HDD, disk completely unreadable, even though it works on other OS
I have an old dying hard drive with loads of faulty sectors that I'm trying to save as much data from as I can (before ultimately throwing it out). Using ddrescue on my laptop on macOS did wonders, I was able to save about 95% of data from the…
ExtraGoofy
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4
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4 answers
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 which are INVISIBLE to Windows. How do I make…
JasonF4
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3
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2 answers
3
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1 answer
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.
What happens if the disk sector size is 512…
MarianoM
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3
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Can I use ddrescue & Testdisk in ubuntu to create image to recover data?
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 drive to and then use TestDisk/Photorec to…
HorizonBloom
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2
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1 answer
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 data. I've been utilizing ddrescue.
After about 24hrs…
Onyxdragun
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2
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3 answers
How do you mount an hd image made from ddrescue?
Today I used ddrescue to make an image of a failed hd. I stored this image on a separate partition on my 500 Gb hd. The partition is sda8 and the filename is backup.img.
The image was of an hd that had Windows Vista installed on it. I don't care…
Robert
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2
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1 answer
Trying to use DDRescue on a live copy of Ubuntu, how do I install DDrescue?
I am using a "live" version of Ubuntu on my computer, 20.04LTS. I want to install DDrescue. I have run these terminal commands in order:
sudo add-apt-repository universe
sudo apt update
sudo apt install gddrescue
I get this back:
The following…
John Lahey
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2
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1 answer
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 ddrescue without trying to read the bad sectors…
user27665
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2
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1 answer
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 because Windows can see and read that partition…
JasonF4
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2
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2 answers
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 only reading error, and getting tens of…
Miton
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2
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1 answer
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 the reverse phase, and it was now making a lot of…
Arwen
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