Would something like SuperDuper or Carbon Copy Cloner do the job? I use
SuperDuper to clone my backups (and for many other one-off tasks) and it’s
never let me down. It’s also free.
Disk Utility has become so bug laden in my experience that it fails nearly 100%
of the time, no matter what I try to do with it, only to inexplicably work on a
second or third attempt under the same conditions—even with something as simple
as initializing a disk. Big thumbs down from me on the quality of this program,
these days.
Matt
> On Mar 12, 2019, at 3:19 PM, Carl Hoefs <newsli...@autonomy.caltech.edu>
> wrote:
>
> I'm on macOS High Sierra, and I'm trying to clone an older USB flash drive to
> a new one, using Disk Utility.
> Both drives work normally, with no known problems. Both are APFS and
> encrypted (if it matters).
>
> However, the Disk Utility "restore" procedure fails.
>
> <Screen Shot 2019-03-12 at 12.17.30 PM.png>
>
> The source USB flash drive is 256GB, APFS, encrypted, 31GB free.
> The destination USB flash drive is 400GB, APFS, encrypted, 396GB free).
>
> The Disk Utility "restore" procedure goes on for hours and hours, until
> finally at the end it craps out:
> "The operation couldn't be completed. (OSStatus error -119930872.)"
>
> Is there another way to accomplish what I'm trying to do? Maybe a Terminal
> command?
>
> -Carl
>
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