Mac os carbon copy cloner11/1/2023 The Verge 's Chris Welch called it "an essential utility" for advanced users, but also said that Apple's simpler Time Machine was sufficient for most users. Reception Ĭarbon Copy Cloner has been extensively covered in Apple-related publications, and received positive reviews. Features ĬCC's main window lets users select a source disk and a destination disk, and optionally deselect source files or folders from being copied. A minimal version of the Mac OS, residing on the internal storage device, has to verify the integrity of the operating system carried on the backup device before recovery can take place. In 2021, its creator, Mike Bombich, discovered that Apple silicon Macs cannot boot if the internal storage failed, even if booting from an external drive. It was released as donationware until 2012, when it became shareware starting with version 3.5. Open CCC and review each of your backup tasks to see if any adjustments are required for the first backup on the new OS.English, Japanese, French, German, Italian, Dutchĭonationware until version 3.5, then sharewareĬarbon Copy Cloner is a backup and disk cloning utility for macOS made by Bombich.Ĭarbon Copy Cloner version 1 was released on January 18, 2002. How do I upgrade my Catalina (or older) backup to Big Sur?Īfter you upgrade your Mac to Big Sur, and only after you have decided to commit to the Big Sur OS, you may resume the backup of your startup disk to your CCC backup volume. Doing so would remove all snapshots on the destination, and would take quite a bit longer than an ordinary incremental backup. Due to an inflexibility in Apple's APFS replication utility (ASR), we can only update the destination System volume by cloning both the System and Data volumes together with ASR, and that involves erasing the destination every time an OS update is applied to the source. We would like to offer this functionality, but doing so involves some unacceptable compromises. Related resourcesĪfter CCC has established an initial bootable copy, 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. No, in fact we no longer recommend that you attempt to make your backup bootable. 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 Backup" see Creating legacy bootable copies of macOS (Big Sur and later). Proceed with a Standard 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 backup.When you configure a legacy bootable copy of your startup disk on Big Sur, CCC will offer a few options, depending on the size and current format of your destination device: Apple's 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. When configured via the Legacy Bootable Copy Assistant, CCC will use Apple's APFS replication utility, "ASR", to establish a bootable copy of your startup disk. How are bootable copies made differently on macOS Big Sur? ![]() CCC 6 will not attempt to create a bootable backup of Big Sur by default, however the functionality is available via the Legacy Bootable Backup Assistant. 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. If working in Mac OS 9, a System Folder that has been blessed will have a special Icon resembling either a Mac SE or interlocking faces. Select both files together and drop them into the System Folder you want to bless. Drag the file 'Finder' to the same location. That seal can only be applied by Apple ordinary copies of the System volume are non-bootable without Apple's seal. Drag the file 'System' into another folder or onto the Desktop. ![]() The system now resides on a cryptographically sealed "Signed System Volume". 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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