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Message: <blockquote data-quote="MacInWin" data-source="post: 1832862" data-attributes="member: 396914"><p>@pine man, Catalina actually creates two volumes on the boot drive now. One for system files that is very secure and one for user data to which users have access. In displaying the boot drive to the user, Catalina combines these two to make it look like one, just as before, but it is actually two. When CCC makes the backup and you look at it with Finder, you see both because the CCC drive is NOT the boot drive. If you booted from the CCC drive, then you would see only one there, but two in the internal drive because now it is NOT the boot drive. I don't know why Apple chose to do that, but that's how they designed it. So technically you have two sources and two destinations, but the OS merges them seamlessly on the boot drive.</p></blockquote><p></p>