Clone an external drive to another one

PRP_53 wrote:

Would ASR from Terminal command-line apply in OPs' case ?

Yes, if the external drive was using the APFS file system, but I don't think Disk Utility provides that as an easy option (or it may possibly be automatic with an APFS volume). Even so, CCC is the best option for the OP since it is easy to use and provides lot of other options & features that the OP may find useful and works with all file systems supported by macOS.

To Clone 1 External Drive to another External Drive ?

I have used and still use https://bombich.com/

They offer a 30 Free Trial and then Paid For there after

I selected the Source Drive to 1 external drive and the Destination drive to the 2nd drive

Cloned 4 TB drive to a larger 8 TB drive

+1 for @PRP_53's excellent suggestion. Disk Utility is a terrible app, especially with its Image & Restore feature. I've never had an issue when using Carbon Copy Cloner.

Co- Effort

You are welcome

Question to My Guru on many things @HWTech

Would ASR from Terminal command-line apply in OPs' case ?

And Thank you too for the mention 👍