EDIT: If this thread is related to this other one, ignore what is below and stick to the other thread.
I’m assuming that you have another system which is working properly, since you took 14 days to respond to Dalto’s suggestions. Am I correct?
The reason I actually ask is: For data preservation, try recreating this in a VM of the same OS but with much less space, maybe just 15 GB, and run the operations in said VM.
Then try either rescuing or reinstalling the system, and check if the files are corrupted.
And by test I mean this:
PS: You can probably get away with just 10/8 GB to speed up such a test.