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#DATA RESCUE 4 APFS FOR MAC OS#
#DATA RESCUE 4 APFS UPGRADE#
#DATA RESCUE 4 APFS SOFTWARE#
#DATA RESCUE 4 APFS MAC#

When making a backup of a macOS Catalina system volume, CCC will automatically convert the destination volume from HFS+ to APFS, but only after your explicit approval of the action. Both APFS and HFS are valid destination formats when using Carbon Copy Cloner 5 on High Sierra and Mojave. You can choose, however, to erase the SSD as APFS prior to cloning to it. If you're running macOS High Sierra or Mojave, then neither the HDD nor the SSD will be automatically converted to APFS.

#DATA RESCUE 4 APFS UPGRADE#

If I first upgrade to High Sierra on an HDD, and then clone to an SSD, will the SSD be converted to APFS? You can't opt-out of the transition to APFS. When you upgrade to Mojave, HDD and Fusion volumes are also converted to APFS. Systems with hard disk drives (HDD) and Fusion drives won't be converted to APFS on macOS High Sierra. When you upgrade to macOS High Sierra, systems with all flash storage configurations are converted automatically.

#DATA RESCUE 4 APFS MAC#

When I upgrade my Mac to High Sierra (or later), will my startup disk be converted to APFS? To meet the challenges of new OSes and new storage technology, Apple introduced the Apple File System, or "APFS" in High Sierra. Storage technology has changed a lot over the last 20 years, and modifying HFS+ to keep pace with those changes has proven increasingly difficult.

#DATA RESCUE 4 APFS FOR MAC OS#

But 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. Why is Apple introducing a new filesystem?Īpple’s legacy file system, HFS+, has worked well for almost 20 years, and Apple has made consistent improvements to it over that time. Every 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 also keeps track of how many files you have and how much space they consume. 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. Every user and every application uses the file system. It’s also one of the most transparent, at least when it’s working correctly.

#DATA RESCUE 4 APFS SOFTWARE#

The file system is perhaps the most important piece of software on your Mac.

What are these " - Data" volumes on macOS Catalina?.

What role does APFS's new snapshot feature play in my backup strategy?.

Why doesn't the disk usage on my backup disk match the disk usage on the source disk?.

I heard that APFS has a "cloning" feature.

Does CCC support encrypted APFS volumes?.

Can I use CCC to clone an APFS startup disk to another Mac?.

If the OS upgrade converted my startup disk to APFS, what do I need to do to my backup disk? Do I have to erase it as APFS?.

If I first upgrade to High Sierra on an HDD, and then clone to an SSD, will the SSD be converted to APFS?.

When I upgrade my Mac to High Sierra (or later), will my startup disk be converted to APFS?.

Why is Apple introducing a new filesystem?.

You might even be wondering, "What's a filesystem?", so we'll start with that, and gradually move into more technical details. 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.