Copying difficult O...
 
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Copying difficult OSX files

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(@opie328)
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I am trying to copy data from a HFS+ formated external drive mounted read-only to a NTFS formatted drive via Paragon NTFS for Mac. For this project, I am ok with altered accessed times. I am doing this on an OSX 10.14.6 Mojave system. While copying I came across a number of files that would not copy (in the normal ways). The files are greyed/grayed out and OSX reports that they are "in use." I solved this with some of the files as they were "in use" by Finder trying to display a preview icon for them. I turned that off in the view options (found this via "the Google"). The rest have been more troublesome. I have tried r-click copy & paste, cmd-c/cmd-v, terminal commands cp and ditto and lastly I acquired some of the files via an L01 with MacQuisition. Some of the directories acquired with MacQuisition I was able to export the contained troublesome files back to native files via EnCase 8.10. Other ones the directory showed to be empty in EnCase even though both Finder and Macquisition showed content in the directory.
Strangely, even though the files copied to the destination initially showed in Finder to be the same size in bytes, they are now different from the originals (some larger, some smaller). Even more strangely, their hash values still match.
I've been copying data back and forth between Macs and Windows machines and drives for 9.5+ years without ever seeing this. I Googled like crazy, but no useful results beyond the view options mentioned above. Has anyone run into this while trying to copy files from HFS+? I thought perhaps I was stumbling over resource forks that NTFS didn't want to deal with, but it does the same thing when trying to copy to HFS+, APFS or ExFat.
Just corrupted files?

Opie's Law Anything that can go weird, will go weird.

 
Posted : 06/04/2020 7:09 pm
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