Another problem is that your copied DVD files are too large to back up on your Mac machine, and also you may have wasted too much time copying from the DVD disc on Mac. One surprising thing is that you may be failed to rip dvd on Mac due to the copyright protection if the DVDs are commercial stuff. But do you think this is a good way to backup dvd on mac? Maybe you want to learn some problems you will meet when copying the dvd files.
Of course, people can copy the dvd files from the disc and transfer them onto Mac directly. For the users who wanted to backup DVD on Mac machine, they may need to know on how to rip DVD on Mac machine first.
