![]() ![]() This will need to be changed to the Central's user name, along with the corresponding password.įor more information on Time Machine backups, such as restoring files or your entire system, refer to Apple Time Machine Support. Note: Your Mac will auto-populate the user name field with your computer's user name. If prompted, enter the name and password that correspond to the user’s account on the Seagate Central. Once the drive is selected, click on Use Disk. (Optional: You may check the Encrypt Backups box.) ![]() Select your Seagate Central, which will be TM BACKUP from the list of backup options. Open System Preferences and then select Time Machine. If you have not done so already, set up your Seagate Central. Nor does Apple have any reason to back-port that role type.Please follow this procedure to set up a backup using Time Machine: In Big Sur, Apple added the Backup role, designed for Time Machine snapshots and incremental backups, and which is effectively unreadable in Catalina and earlier, because those releases simply don’t know how to interpret it. (In Catalina, Apple added volume groups, which are used to hold the operating system itself in pieces, separating your data from system files, enhancing system security and integrity.) You can have several volumes in a container that dynamically share the space allotted to the container, which means you don’t have to allocate storage space to a given volume beforehand. Each container has one or more volumes, and each volume (starting in High Sierra) has a “role,” which defines the kind of volume it is. APFS divides a disk into one or more containers (similar to partitions). Not only must you use Big Sur to back up to an APFS-formatted Time Machine volume, you can’t even access the backups from a Mac with Catalina or an earlier macOS version installed. This might go without saying, but I know enough people with mixed-system setups who will ask. I would set up any new Time Machine volume formatted with APFS, but not convert an old one from HFS+.īig Sur APFS-based Time Machine backups can’t be used in Catalina or earlier releases. While APFS has advantages for SSD-based storage, there really aren’t any for hard disk drives, the most likely kind of drive used for large-capacity backup drives. ![]()
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