Any risks cloning the internal drive of a Macbook pro M1?

I’d like to clone my internal drive on my m1 MacBook pro 2021 to an external thunderbolt drive. I’d then install some software on this external drive that I do not wish to run on my main drive. I would boot the external drive whenever needing to use this software, while mostly booting the internal drive for normal operation.


The reason I want to clone, rather than just installing macOS to the external drive, is I because I need most of my installed apps in that external drive as well, and I don’t really care for all the time needed to install everything again.


I’d probably do this by first installing macOS to the external drive, then using the migration assistant to restore a backup of the data portion of my internal drive which I backed up using superduper. I recon the risk of having boot issues for the new drive lessens greatly doing it this way rather than going for a direct clone.


Now for the question.


Are there any risks doing this? Do I risk things going haywire on either disk by cloning like this? Especially important are not getting issues with the internal drive (the clone source) as that is production level critical. Any experiences with this? Would love some input.

Posted on Oct 23, 2023 7:22 AM

Reply

Similar questions

8 replies

Oct 24, 2023 10:54 AM in response to Tigersoul925

Some people seem to be able to clone an Apple Silicon Mac while others seem to have issues. Definitely hit or miss especially after one of the updates to macOS 12.x Monterey when the cloning issues of Apple Silicon Macs seemed to manifest. Of course, people having issues may have had some very odd setup which they did not communicate to the community which affected their ability to successfully clone their systems. Great if it works, but very hard to say how you will fare. Personally you are probably better off by performing a clean install of macOS to the external drive, followed by migrating everything from the internal drive.

Oct 24, 2023 6:15 PM in response to Tigersoul925

Tigersoul925 wrote:

What I plan to do is installing macos to the external drive then using migration assistant to transfer app apps and settings.

Maybe that's what you're referring to by migrating?

Yes.


Cloning when dealing with macOS is when you make a functional equivalent of the source in one step by using a third party app which basically just copies all the files (and recreates any other necessary volumes). The two most common apps used for cloning a macOS boot drive are Carbon Copy Cloner and SuperDuper. Unfortunately Apple is slowly killing off bootable clones with all the changes Apple is making both to macOS and the new hardware of the Apple Silicon Macs.



Oct 25, 2023 4:04 AM in response to HWTech

Yeah it's sad as it's a lot faster to just clone but I rather play it safe and spend a little extra time. I do use superduper which apparently by default still makes bootable clones but I intend to only use the backup as source for migration assistant. I could just use the internal drive directly but I prefer not involving that at all to minimize the chance of getting into trouble or affecting the internal drive somehow.

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Any risks cloning the internal drive of a Macbook pro M1?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.