The attempted conversion is failing. Does anyone know why?
Disk Utility.app error:
Converting “mySSD” to APFS Converting HFS Volume to an APFS Container which will export one APFS Volume The target is the Journaled HFS+ volume “mySSD” on disk3 backed via CoreStorage on disk2s2 The target is a data disk; it is not a macOS system disk Found APFS EFI driver /usr/standalone/i386/apfs.efi to install into the APFS Container Saving encryption context The target is encrypted Unmounting disk3 Exiting conversion operations with error code -69888 The operation couldn’t be completed. (com.apple.DiskManagement error -69888.) Operation failed…
Environment and disk details:
$ sw_vers ProductName: Mac OS X ProductVersion: 10.14.6 BuildVersion: 18G84 $ diskutil list [...] /dev/disk3 (external, virtual): #: TYPE NAME SIZE IDENTIFIER 0: Apple_HFS mySSD +499.1 GB disk3 Logical Volume on disk2s2 BCFD2F21-6361-4256-AF3A-ACB4D78D7669 Unlocked Encrypted $