We would like to offer this functionality, but doing so involves a tradeoff that we think most users would find unacceptable. After CCC has established an initial bootable backup, will it keep the destination System volume up to date? CCC backups are also compatible with Migration Assistant, so you can use Migration Assistant to restore all of your data to a clean installation of macOS (e.g. from snapshots) using CCC while booted from your production startup disk. You can restore individual folders and older versions of files (i.e. Bootability is a convenience that allows you to continue working if your startup disk fails, but it is not required for restoring data from a CCC backup. Does my CCC backup have to be bootable for me to restore data from it? To learn more about these options, and what to expect when running your first "Full Volume Clone" see Cloning macOS System volumes with Apple Software Restore. Proceed with a Data Volume backup (this is a complete backup of all of your data, applications, and system settings).Add a new, dedicated backup volume to an existing APFS destination (if there is enough free space).Allow CCC to erase the destination to make a bootable clone.When you configure a new backup of your startup disk on Big Sur, CCC will offer a few options, depending on the size and current format of your destination device: This utility does not offer as much flexibility as you've grown accustomed to with CCC on older OSes, in particular it requires that the destination is erased and that everything is copied from the source to the destination. How are bootable backups different on macOS Big Sur?ĬCC uses Apple's APFS replication utility, "ASR", to establish an initial bootable clone of your startup disk.
Carbon copy cloner migration assistant install#
To create a functional copy of the macOS 11 System volume, we have to use an Apple tool to copy the system, or install macOS onto the backup. That seal can only be applied by Apple ordinary copies of the System volume are non-bootable without Apple's seal. The system now resides on a cryptographically sealed "Signed System Volume".
Carbon copy cloner migration assistant mac os x#
As the numeric change would suggest, this is the biggest change to macOS since Apple introduced Mac OS X roughly 20 years ago. With the announcement of macOS Big Sur, Apple has retired Mac OS X (10) and replaced it with macOS 11.
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