I try to write a python script to backup a network folder nearly 400 GB. This is my python code : shutil.copytree(source_folder, current_backup) The script stops after 7 hours without any error. So I tried cmd = "rsync -a " + source_folder + " " + current_backup os.system(cmd); The scrpt finished after 6 hours. It is alocal network But my question is : Why is the python method so extrem slower or stopps. Or is there a better way ? After coping the files and folders I want to create a zip archive. I will try to do this in one step Continue reading...