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Thread started 11 Feb 2014 (Tuesday) 08:11
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CR2 Recovery - Diskinternals Partition Recovery saved me.

 
Raphael ­ V
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Feb 11, 2014 08:11 |  #1

I shoot weddings and events. January had some hectic shooting assignments. On 25th I brought a new 1TB hard drive. End January I had to shoot 2 weddings and other events, just downloaded the photos to the new hard drive and did not bother to have a second copy (which I usually do) never imagining the new hard drive could give trouble in such a short time.
on Feb 3rd when I tried to connect the hard drive to my computer for backing up the files, to my horror it was not responding. None of my 3 pc's or laptop could sense it. A software friend tried to change the chip and recover files using a recovery software. All he could get was most of the jpegs and a lot of tiff files. The hard drive had CR2 files which the software turned into tiff files and they were not opening.
The following days I tried to recover the raw files with a handful other recovering softwares which had CR2 support but none could do it. Even though some managed to salvage some files, but they were not opening.
Finally, my brother offered to try. He tried with Diskinternals Partition Recovery. After a operation lasting for 52 hours the software managed to recover all the CR2 files totalling 5252 files and out of it only 2 are corrupted and also as a bonus it recovered full size jpegs of all the 5252 files by itself. I am eternally thankful to Diskinternals.
I lost a video 2 years back by deleting and overwriting the card before copying. I could not recover it and lost a lot of credibility in the field. I know the pain of losing files. I am posting this just incase some one in similar position may find it useful.


6Dx2, 80D, 450D, 24-70 f2.8LII, 70-200 f2.8LII, 17-40 f4L, EF24-105 f4L, 50 f1.8, EF-S10-22, EF-S18-135 Nano USM, EF-S18-55 IS, Sigma 24-70 f2.8, Sigma 70-300 DG 4-5.6, Vivitar f3.5 8mm Fisheye, 580 EXII, 430 EX, Nissin Pro 866II, Canon XA20, .
"Men have become the tools of their tools" - Henry David Thoreau.s.
nhttp://www.facebook.co​m …-Digitals/3460910854744​93 (external link)

  
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joeseph
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Feb 12, 2014 02:41 |  #2

I'm a firm believer that photographers should be forced to test file recovery software, prior to being allowed to save images to a computer...


some fairly old canon camera stuff, canon lenses, Manfrotto "thingy", 1D MK II converted for IR, and now an M5
TF posting: here :-)

  
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Raphael ­ V
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Feb 13, 2014 04:51 |  #3

joeseph wrote in post #16683013 (external link)
I'm a firm believer that photographers should be forced to test file recovery software, prior to being allowed to save images to a computer...

Amen.


6Dx2, 80D, 450D, 24-70 f2.8LII, 70-200 f2.8LII, 17-40 f4L, EF24-105 f4L, 50 f1.8, EF-S10-22, EF-S18-135 Nano USM, EF-S18-55 IS, Sigma 24-70 f2.8, Sigma 70-300 DG 4-5.6, Vivitar f3.5 8mm Fisheye, 580 EXII, 430 EX, Nissin Pro 866II, Canon XA20, .
"Men have become the tools of their tools" - Henry David Thoreau.s.
nhttp://www.facebook.co​m …-Digitals/3460910854744​93 (external link)

  
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CanonCameraFan
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Feb 13, 2014 10:04 |  #4

Admittedly, I need to improve on my system (and am doing so), but this has sufficed for my needs and reflects the "pro bono" budget and my learning curve of Digital Photography for me over the past 2 years:

I shoot RAW on CF Cards, download to computer when I get home same day, process in LR, export JPEGS, upload to Flickr, Reformat CF's. Eventually I would export RAW and JPEG to my Portable 500 GB drive.

Now I still have that 500 GB and see that LR4 has a built in utility to make a backup as you import images from the Camera or CF Card. I also finally bought a Seagate NAS 3 TB Drive for general home use. I now need to determine exactly where it will fit into the process as a second backup. Aware the 500 GB may fill up too soon, so may use it strictly for imaging, and no longer for general files. I need to properly backup the LR files as well, each session. Rethinking has begun.


EOS 7D w/BG-E7 (3), 550EX (3), 430EX II, Vivitar 285HV, Opteka 6.5mm/3.5, Canon EF-S 10-18/4.5-5.6 IS STM, Canon EF-S 24/2.8 STM, Canon EF 40/2.8 STM, Canon EF 100mm/2.0 USM, Canon EF 70-300mm/4-5.6 L IS USM, Canon 77mm 500D Macro, Tamrac 614 Bag & 787 Backpack, Crumpler 8 MDH, 7 MDH, 6 MDH
http://www.flickr.com/​photos/johnebersole/se​ts/ (external link)

  
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joeblack2022
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Feb 13, 2014 10:08 |  #5

I would recommend Testdisk / Photorec, as it's open source and has proven to work for me.

I had a hard drive's partition table corrupt and it was not able to be recovered. Testdisk has an option to recover files directly, bypassing the partition table. Worked like a charm.

http://www.cgsecurity.​org (external link)


Joel

  
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DGStinner
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Apr 18, 2014 07:18 |  #6

I work in computer forensics and a lot of these programs are similar to the commercial software I use but at a very focused level. In my experience 99% of the time, the data can be read from the card/hard drive easily because the software is reading the FAT (file allocation table) even if the card/hard drive has been formatted. If you started putting new files onto something that's been formatted, then you start overwriting the old entries in the FAT and then have to resort to file carving. It's then a matter of if the file has a unique header common to that file type (i.e. JPEGs start with "ÿØÿà..JFIF" or "\xFF \xD8 \xFF \xE0 \x00 \x10 \x4A \x46 \x49 \x46" in hex) and the software has that header info.

If a partition table were to become corrupt, there's always a backup somewhere on the drive and it's usually either right after the main partition table or at the end of the drive (depending on file system).

When recovering any files, it's always best to go to a different physical location otherwise you run the risk of overwriting files you haven't recovered yet with the files you just recovered.


Dave Stinner
Gripped 7DII | 6DII
EF 16-35mm f/4L IS USM | EF 24-105mm f/4L | EF 70-200mm f/4L IS USM | EF 50mm f/1.8 STM | EF 100mm f/2.8L Macro IS USM | Rokinon 8mm | Sigma 150-600
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CR2 Recovery - Diskinternals Partition Recovery saved me.
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