Originally Posted By: ryck
Wait, wait, wait....I can confirm that I do have the system on the Time Machine drive. Your query caused me to check which things were excluded under "Options" and the System folder is not among them.

Yes, but according to Apple that is not a bootable copy of the OS. Did you ever install MacOS on the drive you now use for Time Machine backups? If so what you are seeing may be a Recovery Drive.

If we knew what it was we were doing, it wouldn't be called research, would it?

— Albert Einstein