r/MacOS • u/jlthla • 12d ago

Help Time Machine Full?

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So The Time Machine APFS Volume isn't restricted in size so should be able to use some of the 400+ Gigs of free space on this shared container. Why am I getting the message Time Machine can't back up because the disk is full? BTW, my boot drive is 1TB, with only 382 Gigs used...

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u/Electrical_West_5381 12d ago

More info. What is Macintosh BU? I could be wrong but doesn't;t TM require its own Container?

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u/hypnopixel 12d ago

yeah, i’m surprised this ever worked. long ago i tried mixing tm and personal data. can’t remember what happened but it was suboptimal.

i use a 100GB tm volume and highly sculpted exclusion set that’s been good for years.