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I have rescued plenty of files from a broken SSD which had read errors. The partition was also BitLocker-encrypted. ddrescue gave me a success rate of 99.99% with 190 kB of lost data.
I then converted the image to a VHD and moiunted it in Windows. The file system needed to be repaired by chkdsk several times, because it was only possible to copy a part of the data, then repair the file system again.
Anyways, I now have ~120.000 files with a total size of 160 GB. I checked some files manually and I was able to open them successfully. So basically, I consider the recovery as "good" or at least helpful.
How do I mass check check the integrity of those files? I am aware they possibly cannot be fully checked, due to the different file formats. However, it should be possible for many file formats like DOCX, PPT, XLS.
There's likely also a probability for text files like TXT, CPP, CS or similar. If they e.g. contain 0x00 bytes, they could be reported as potentially flawed.
Thomas Weller
Posted 2019-10-03T22:22:30.203
Reputation: 4 102