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I managed to mount a corrupted encrypted hd using a bootable ubuntu usb stick and I was copying the files from it to an external disk.

The process takes hours and hours and hours and hours and hours. Unfortunately by mistake I cancelled the copying process. I started it again applying to all the Merge folders option and Skip if files with the same name are found.

My question is: might stopping the copying process have left half-copied (hence invalid) files that should be checked? Or does canceling the process remove partial-copied data?

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  • I have found that a cancelled (^C) copy can leave the last file partially copied (but not always), so I've got in the habit of checking/erasing the last copied (IF it was in the process of an actual copy at the moment I ^C). As I cp -p; the date/time will be the moment of copy instead of preserved - a clue that makes such files easy to find & erase too.
    – guiverc
    Jul 27, 2019 at 11:42

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I have found that a cancelled (^C) copy can leave the last file partially copied (but not always), so I've got in the habit of checking/erasing the last copied (IF it was in the process of an actual copy at the moment I ^C).

As I cp -p (ie. preserve time/date/attributes) ; the date/time will be the moment of copy instead of preserved - a clue that makes such files easy to find & erase too if you forget immediately (using find).

This may depend on file-system used, as well as local files or network (nfs)

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  • The copying process was started with the graphical interface and stopped from the window that appears when clicking on the sort of pie chart in Nautilus, not with the terminal
    – Francesco Boi
    Jul 27, 2019 at 12:02
  • I can't speak to gui operated copies, as I always use terminal (unless it's minor such as new pictures from a camera). But I suspect the result is the same (I just don't know sorry).
    – guiverc
    Jul 27, 2019 at 12:08
  • Ok thank you anyway. Just to let u know after I clicked cancel I have seen something like "canceling copying"... And it took a while so maybe it was removing unfinished file. I LL check anyway
    – Francesco Boi
    Jul 27, 2019 at 12:15

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