Not the outdated full-screen TM UI that we have now. I'd much rather pick a file, see a list of previous versions of that file with previews, and maybe a diff, all integrated properly into the Finder. There are a few steps involved in backing up with Time Machine: Choosing a Time Machine destination Setting up another Mac as a Time Machine destination Formatting a USB drive for Time Machine Setting up automatic Time Machine backups Doing a manual Time Machine backup Excluding items from Time. So wasting 2x space for one identical file.Īlso TM is sluggish on networked disks and the UI is pretty awful. Change the title of that file and the entire thing gets copied across again, without the other file being deleted on the backup. For a 1kb file that doesn't matter, but nowadays with file sizes ballooning, 1GB+ files are pretty common. A snapshot stores only the block-level difference between files, whereas Time Machine copies the entire file across again even if there's one single bit changed. Whether APFS supports this right now, I'm not is completely right with his comment. However, snapshots don't technically have to be stored on the source drive. How would an APFS snapshot on the same physical disk save your data from the failure of said disk? Why aren't they retiring this antique approach to back-ups? I mean, they now have a filesystem that supports snapshots
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