Please keep macOS and Mac hardware posts to their respective subreddits. No Mac posts: Regardless of what methods were used for installing, we are a subreddit focused on PC hardware running macOS. This community does not wish to be affiliated with such sources so all paid work and such should be kept private. Those files are decrypted on-the-fly by the filesystem when they're opened by an application.No self-promotion: Please keep all paid services and advertisements off the subreddit. If you enable FileVault on your startup disk, then the files on your startup disk will be encrypted. Note that CCC doesn't play any role in the encryption process - encryption is a function of the volume, not of the tool that's writing a file. Note that this is also applicable to a Macintosh running in Target Disk Mode. Note, however, that every major MacOS upgrade may require a new firmware upgrade to allow use of the newer operating system. This firmware upgrade cannot be made part of the cloning process. APFS volumes also support sparse filesand you're less likely to run into name comparison problems e. For example, an APFS destination can store snapshots from which you can do point-in-time restores. If you were planning to erase your destination volume anyway, we recommend that you format the volume as APFS. You can't opt-out of the transition to APFS. When you upgrade to macOS High Sierra, systems with all flash storage configurations are converted automatically. How to Convert HFS/HFS+ to APFS Without Losing Dataīut that file system was created initially for Mac OS 8, and was designed for platter-based hard drives. All of these new features were added to keep pace with new operating system features and to make the file system more reliable. For example, Apple added support for extended attributes, file system compression, file system journaling, and full-disk encryption. The file system also keeps track of how many files you have and how much space they consume.Įvery time you look for a file, open a file, move a file, save a file or delete a file, it's the filesystem that is fulfilling that action. The file system keeps track of and organizes all of the files on the hard drive, and also determines which users and applications have access to those files. You might even be wondering, "What's a filesystem? The file system is perhaps the most important piece of software on your Mac.Įvery user and every application uses the file system.
Apple introduced a new filesystem in macOS High Sierra, so naturally you may be wondering how Carbon Copy Cloner deals with this and how this new change might affect your backups.
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