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Arthur
Joined: 17 Oct 2007
Posts: 300
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 Posted: Sun Apr 15, 2018 23:44 Post subject: [+] uSD SanDisk ultra 64 GB, ID 45 3e aa a2
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Can’t get good result. Uploading ECC-corrected dump.
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Arthur
Joined: 17 Oct 2007
Posts: 300
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Posted: Mon Apr 16, 2018 11:40 Post subject: Re: uSD SanDisk ultra 64 GB, ID 45 3e aa a2
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Сергей
Joined: 26 Aug 2005
Posts: 18107
Flash-Extractor developer
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Posted: Thu Apr 19, 2018 21:35 Post subject:
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Model "Monolith Micro SD 2 v2" match
With limit = 8 GB, i get next results
ECC = off
broken 978 good 3
ECC = check
broken 411, good 630
Can not make better
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Arthur
Joined: 17 Oct 2007
Posts: 300
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Posted: Thu Apr 19, 2018 22:43 Post subject:
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I see now. I have only created image with ECC = off, because dump is already ECC-corrected.
Please explain this situation.
I will save new image and check results.
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Arthur
Joined: 17 Oct 2007
Posts: 300
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Posted: Fri Apr 20, 2018 11:14 Post subject:
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Saved new image with ECC = check.
It made a big difference. I've got full file system structure now, ExFAT 
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Сергей
Joined: 26 Aug 2005
Posts: 18107
Flash-Extractor developer
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Posted: Fri Apr 20, 2018 15:06 Post subject:
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Good news!
Why this happen:
Some sectors with wrong or system data have red ECC
It will help filter this sectors
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HDDRCVR
Joined: 29 Sep 2015
Posts: 441
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Posted: Fri Apr 20, 2018 20:06 Post subject:
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is the different result because first ECC corrected dump was not ECC optimized?
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Сергей
Joined: 26 Aug 2005
Posts: 18107
Flash-Extractor developer
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Posted: Fri Apr 20, 2018 20:51 Post subject:
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What you mean by "ECC optimized"?
First we make ECC Fix
After it we save image
We get different results with ECC = Off, and ECC = Check
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HDDRCVR
Joined: 29 Sep 2015
Posts: 441
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Posted: Mon Apr 23, 2018 19:36 Post subject:
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| Сергей wrote: | What you mean by "ECC optimized"?
First we make ECC Fix
After it we save image
We get different results with ECC = Off, and ECC = Check |
Optimization like best RR, and best voltage to get the cleanest read
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Сергей
Joined: 26 Aug 2005
Posts: 18107
Flash-Extractor developer
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Posted: Tue Apr 24, 2018 15:47 Post subject:
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Only set ECC = Check give better result
No other actions was made
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