TimeMachine back up (about 100GB) fails to my HD even though 900 GB available... is it because of low internal space (Macbook HD is completely full)?

Hi, my old Macbook HD is completely full and I'm trying to make a last backup and then move to the new Macbook that I just bought. However, I cannot make any backups as I get a notification "Time Machine could not back up the disk “Macintosh HD - Data” because it is nearly full."

Hence, I assume the way to bridge this issue is to save some data online for the time being, free the old Macbook of several GB and then try again (and later add the files that have been stored online temporarily to the new computer?

Pls help!

MacBook Pro 13″

Posted on Oct 16, 2023 08:34 PM

Top-ranking reply

John Galt

Level 10

153,490 points

Posted on Oct 17, 2023 08:22 AM

Yes. You are correct. The "it" in that statement refers to the source volume. You need to find a way to offload some of its contents before Time Machine will be able to back it up.

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TimeMachine back up (about 100GB) fails to my HD even though 900 GB available... is it because of low internal space (Macbook HD is completely full)?

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