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0answers
11 views

ddrescue: safely switch between normal/reverse with a logfile?

I'm trying to rescue a broken harddrive with: sudo ddrescue -d -r3 /dev/sda harddisk.img harddisk.logfile (yes, it's indeed sda because my sATA cables are weird) Now I've read that ddrescue has a ...
0
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0answers
15 views

Intentionally reduce speed of ddrescue

(first time poster) I want to slow down how fast ddrescue copies data. I'm imaging a hard drive from my linux laptop to my windows desktop. ddrescue is able to run faster than my computer can download ...
0
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0answers
18 views

DDRescue locks system up on disk clone

I have ddrescue running on the latest version of Fedora trying to clone a dying IDE disk. When I run ddrescue --no-split /dev/sdb imagefile logfile the copy will happen then the entire system will ...
0
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0answers
34 views

ddrescue failing with very large errsize (hundreds of terabytes)

I'm trying to rip a CD-ROM to an ISO file. I prefer an ISO file to a DMG or CDR file because of cross-platform compatibility. I tried using ddrescue, but no matter what options I use I get the ...
0
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1answer
29 views

Recover specific files from a damaged hard drive

I'm trying to recover some 3-5GB of NEF files which were not yet backed up at the time of the crash. This is a 418GB ext4 partition and when mounted with -o ro,noload I can list the directory where ...
2
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1answer
162 views

ddrescue - how are my chances and how could I speed it up? [closed]

I am trying to rescue data from a damaged laptop's 500 GB hard drive using ddrescue version 1.19 on Ubuntu 14.04. By damaged I mean that the drive got corrupted when the laptop hit the ground while ...
0
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0answers
40 views

ddrescue goes very slow on encountering errors

I am using the ddrescue for the very first time.May be an expert with this can help me a little. I have a 320 gb sata harddisk with 334 bad sectors(including 114 on the surface itself) & many ...
0
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0answers
28 views

Corrupted boot partition on a Windows disk?

I have a laptop with a faulty hard drive that was not booting. I used ddrescue to recover the whole drive to a new drive, there were quite a lot of bad sectors but less than 1mb in total. I ran ...
1
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0answers
109 views

Can not mount copy of image file (ddrescue): “can't have a partition outside the disk”

I'm struggling for days now moving my old Windows XP installation to a new hard disk, because the old disk is failing. Long story short: I successfully created an image of the entire (failing) disk ...
1
vote
1answer
60 views

Device Is Busy When Trying To UMount

I am using the Ubuntu Rescue Remix and Ddrescue. I am in the process of creating a RAW image onto a 'good' drive (sdc) from a 'bad' drive (sdc). I used the command sudo ddrescue -r 3 /dev/sdb ...
0
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0answers
19 views

Speed run through DVD with ddrescue

I'm using ddrescue to get data from damaged DVDs. If DVDs are badly damaged, the CDROM drive really struggles to read at all, and can spend 10 seconds continuously readjusting the beam arm or ...
0
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0answers
165 views

ddrescue rates low (~20,000 kB/s) with ZFS content on a good drive, USB 3.0 limited to USB 2.0 with a 2009 MacBookPro5,2

I find a variety of questions in Stack Exchange concerning ddrescue data transfer rates. This question – involving part of a ZFS pool – may be exceptional. Briefly Four USB 3.0 Seagate hard disk ...
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0answers
27 views

ddrescue - trimming failed blocks is reading the target drive

7 8 64 20 1 0| 13M 0 :6728k 0 :6732k 0 | 264B 344B> 3 8 68 19 1 0| 14M 0 :6940k 0 :6940k 0 | 264B 344B> 7 8 61 23 1 0| 13M 460k:6592k 0 ...
0
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0answers
45 views

ddrescue - can I stop (and restart) later, also it's slowed down to 30mb/s from 170mb/s, will it pick up?

I've got a failing but not yet failed 4tb drive, here's the log so far: alec@ATLaptop2 ~ $ cat ./ddrescuelog # Rescue Logfile. Created by GNU ddrescue version 1.17 # Command line: ddrescue --force ...
0
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0answers
13 views

gddrescue: I get only 2 GiB from my (defect) 320 GiB HDD

I have an ubuntu live system from pen drive running on a laptop with a broken 320 GiB HDD. I used gddrescue to dump the HDD on an external drive. Unfortunately, I get only around 2 GiB dumped and then ...
2
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0answers
102 views

Combining two disjoint ddrescue backup images

I have a 3 TB drive which recently started to malfunction. I was using the ddrescue utility on Debian to read data off the disk to a different external hard drive. However, after 2 TB of data had been ...
1
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1answer
74 views

What do I do after directly copying an NTFS volume from one device to another with ddrescue?

I used ddrescue in a Ubuntu Live boot to rescue data from a failing 3TB external HDD formatted as NTFS. I had it copy the data directly to a new physical device, i.e. I didn't create an intermediate ...
1
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0answers
39 views

Mount ddrescue imaged password protected drive

I'm trying to recover a crashed HD from a Macbook. I've imaged the HD successfully onto my external HD but when I try to mount it I get a mount_hfs: Invalid argument error. I'm assuming this is ...
2
votes
1answer
172 views

DDRescue - Did I do the wrong command which is causing it to take longer then expected

I am running the following command on a 500GB drive: ddrescue --force --direct /dev/sde2 /home/backups/sde2.img sde2_logfile.ddrescue However, the time has been almost 24hrs and all it has done so ...
0
votes
2answers
459 views

ddrescue attempt ends with drive disappearing from dev

I have been trying to recover data from a Seagate 7200.11 1.5TB drive (2 ext4 partitions_ for 3 days now, predominantly with ddrescue and testdisk, but because of some critical error on the disk ...
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0answers
55 views

GNU ddrescue “Rescued” is larger than the HDD

I am using ddrescue to recover data from a failing drive. The drive is being read as 596.2 GB via the lsblk command. The thing that is confusing me is that ddrescue is showing that it has, so far, ...
1
vote
1answer
621 views

Recovering data from failing hard-drive using ddrescue

Lately my hard-drive have failed me. I'm trying to rescue some important data from it and right now im stuck doing this... I've read about ddrescue data recovery tool and it seems like it's doing its ...
0
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0answers
93 views

Correct command for ddrescue

Hi guys this is my situation: Knoppix ATA WDC WD64 WDC WD6400BPVT-22HXT1 FIRMWARE VERSION :01.01A10 640 GB device /dev/sdc This disk has a few bad sectors, master boot record. This is from disk ...
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0answers
34 views

Restoring backup with dd

I have made a backup of an hard drive using ddrescue. Now I have the .img file. How can I restore the .img Backup to an other hard drive? I have tried dd if=backup.img of=/dev/sdc but the hdd sdc is ...
1
vote
1answer
71 views

ddrescue - what are bad sectors look like in the final?

I've read tons of docs on ddrescue, but still can't get sure on such a thung: how the bad sectors look in the output image file(or disk) at the end of the ddrescue's work? Manual says it skips bad ...
0
votes
1answer
440 views

Trying to mount ddrescue image from a 1tb crashed ntfs drive

I asked this on Ask Ubuntu without success and they recommend to repost it on superuser, so here i am! It was time, after 5 years my 1tb external drive with all of my family photos and all my music ...
0
votes
1answer
186 views

Windows ntfs partition hard disk fail recovery attempts [closed]

This is part question and part response. I'm not a Linux guy but I've used from it time to time. Here is my case: An HDD with Windows NTFS partition has failed, no recovery software on windows has ...
0
votes
2answers
153 views

Why can't ddrescue just recover blocks used by the filesystem?

It seems that ddrescue tries to recover all blocks on a disk or partition, even ones that don't contain files. Wouldn't it be possible for it to find out which blocks actually hold files by looking at ...
3
votes
1answer
170 views

Cannot mount image made with ddrecovery in Fedora

I have recently made a switch to Fedora. I have an NTFS disk image that I made from a failing hard disk on Ubuntu using ddrecover. Under Ubuntu, I could mount the image just fine and recover the ...
0
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0answers
151 views

circumvent directory I/O error

I recently recovered a large amount of data from a failed external hard-drive with ddrescue, which did an excellent job. However, after running the tool several times and with different options, it ...
0
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1answer
136 views

Will dd_rescue wipe my output hard drive?

I'm planning to use dd_rescue (as per IT support's instructions) to try and get the data contents of a faulty hard drive. We only have one external hard drive to back up onto which has enough free ...
3
votes
2answers
2k views

Why is it impossible to compress on the fly images by ddrescue?

I'm trying to recover files on a dying hard drive, using GNU's ddrescue. The drive is rather large (1TB), and all I have to store the image is another 1TB drive. ddrescue fails near the end, with an ...
3
votes
2answers
516 views

ddrescue has slowed down massively on os x

I'm using ddrescue to image a drive, and it's slowed down to about .1 % as fast as it started, at this rate I'm not sure if it will even finish, at any rate, I'm not sure I can tie up this machine ...
4
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1answer
833 views

Reading bad blocks from hard disk too slow in Linux

I'm trying to recover data from an old 320G hard drive (full of bad sectors) to a new one. I found that ddrescue is a good tool for this task due to it's smart algorithm. I have already done this once ...
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0answers
2k views

Can't mount image of NTFS partition created by ddrescue

I've used ddrescue successfully in the past but I'm having no luck this time. Usually, I make an image of the partition, run a fsck or whatever else on the image to fix file system errors, mount it ...
0
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0answers
53 views

Recovering a striped volume

Is it possible to recover a striped volume (6 TB from two 3 TB disks) that has had all it's data removed with sudo rm -rf? Assuming no overwrites. As a last resort (I'm a student with very few ...
2
votes
1answer
308 views

ddrescue: can I resume copying to a different destination drive using the log file?

I need to recover a 3TB USB HD. I started making a copy yesterday by running ddrescue in Terminal entering: sudo ddrescue -v -f -n /dev/disk3 /Volumes/Seagate/disk_rescue.dmg disk_rescue.log I've ...
1
vote
1answer
1k views

What happens after ddrescue?

I'm currently having a close call with a hard lesson! My 2TB WD Green drive started throwing bad blocks after a year of service. I have recovered all but 82kb of data to an image on a spare 3TB drive ...
1
vote
2answers
605 views

Can you create a hard disk-image of the same size as the target drive with GNU ddrescue?

I'm planning on using GNU ddrescue to create a drive image of my failing 1 TB hard drive. Can I store the image sufficiently on another 1 TB hard drive? I figure the answer would be no because the ...
3
votes
1answer
709 views

dd/ddrescue style tool for SSDs that skips writes for identical blocks

I have a dd copy of a filesystem from a SSD I want to restore back to the same SSD filesystem due to a bad OS crash, putting it back into a known good state. 95% of the blocks will be the same, so to ...
0
votes
4answers
6k views

how to resume ddrescue process?

I have to recover my 1TB USB HD. I'm using ddrescue to accomplish this. Is there a way that I can resume ddrescue once I start it? I'm using the command: ddrescue /dev/sdd1 ./bye1t.dd_rescue.image ...
1
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0answers
676 views

ddrescue rescued “0 B” under current status?

ddrescue rescued "0 B" under current status? Here is a picture of the screen showing 0 bytes rescued and with /dev/sda messages on the side (are they error messages?): There doesn't seem to be any ...
3
votes
1answer
218 views

Mapping dd commands to ddrescue

I'm trying to back up the Windows Recovery Partition on a laptop using ddrescue. I tried using dd, but I kept getting an Input Output error (at about 9.65 GB through, if it matters), so I learned that ...
10
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4answers
13k views

Is there any way to speed up ddrescue?

I had a 500GB drive HDD crash about 5 days ago. I used ddrescue on the important partition a few days ago, and it's been on "Trimming failed blocks" for almost 2 days now. Original command: ddrescue ...
4
votes
1answer
849 views

Can you successfully clone a Mac OS X boot volume directly to another larger volume with ddrescue?

Can you clone a Mac OS X boot volume (specifically a "Mac OS Extended, Journaled" a.k.a. JHFS+ volume) directly to another, larger volume using ddrescue or even dd, and have the target volume end up ...
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3answers
2k views

How can I generate a list of files from a list of sectors?

I've had a hard disk failure and managed to rescue some data from the disk (1TB) with GNU's ddrescue. The last 800GB of the disk were perfect, no single error, but in the first 200GB there were almost ...
2
votes
1answer
203 views

Should I run two ddrescue processes in parallel on separate logical drives?

I've got a Windows harddisk that had been partitioned into three drives: some proprietary ACER recovery partition C drive, about 90 GB D drive, about 60 GB It died hard, so now I've been running ...
0
votes
1answer
847 views

ddrescue in ubuntu

I want to copy from a damaged external HDD having a size of 500GB. I will use ddrescue for this. Can I use like the following: I want to copy only one directory(named 'Important Docs') from 500GB ...
0
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1answer
139 views

ddrescue overflow

I am trying to recover a partition on my broken hard disk with this command: ddrescue --r3 --force /dev/sda2 /dev/sdb1 logfile /dev/sda2 is 207 GB and contains the data I need /dev/sdb1 is a 270 ...
1
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2answers
978 views

In regards to ddrescue, do not run on a mounted partition

Never try to rescue a r/w mounted partition. The resulting copy may be useless. source: http://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html what does this mean exactly? I have finally ...