On a reinstallation of the system, those files are copied from that secure enclave to create a snapshot of a bootable system. There is a section of the storage fabric in which the entire system files, as updated by Apple, are stored. If the problem is corruption in the software, the entire system can be restored from the secure enclave that Apple has created in the system. Or have I got the whole thing completely wrong?Ĭlick to expand.No, it does not need to be downloaded. My thoughts are that if I create a new SuperDuper clone each time the os is updated, and keep CCC doing scheduled backups, and I need to restore everything, could I use the SuperDuper backup to restore the System and Data files that were current at the time of the last os update and use CCC to restore the current up to date Data files. If I understand cloning correctly, with Monterey the system files may well be backed up to an ext DD but whenever that backup is updated only the Data files will actually be updated and not the system files. I have created a Backup using SuperDuper and it does appear in the Startup Disk in Preferences. I have never tried SuperDuper but notice that Shirt Pocket appear to suggest that the latest version of it will now create a bootable backup with Monterey. Out of interest I checked the Startup Disk in Preferences and the CCC Backup is not shown. In the event of a failure it appears that the os has to be downloaded from Apple and then the Data added from CCC. I have been using CCC for many years but my understanding of it at the moment is that it cannot effectively make bootable backups with Monterey due to the 'sealed' OS system files and all it does now is backup the Data. I know that there have been many discussions about the suitability of cloning software programs with Monterey on M1 Macs and, if possible, I would like a bit more basic advice.

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