[Solved] Time Machine Backups Failing on Mojave

Discussion in 'macOS Mojave (10.14)' started by kramden88, Sep 30, 2018.

  1. kramden88 macrumors member

    Joined:
    Jul 14, 2008
    Location:
    NJ, USA
    #1
    I installed Mojave the other day on my iMac. Time Machine worked for a couple days but now keeps failing. The error states, "Time Machine could not create a local snapshot to back up from because there was insufficient free space on the source volume(s)." The source volume has 88 GB free. I ran First Aid on the Macintosh HD and it didn't resolve it. Running First Aid on the Time Machine drive, which took around six hours, did finally resolve the issue.
     
  2. Baldlars macrumors newbie

    Joined:
    Oct 5, 2018
    #2
    Glad to hear this ... didn't work for me. But my solution worked, but at a price. I erased my hard drive (losing all my previous backups) and formatted the drive as MacOS Extended (Case Sensitive, Journaled). This has worked for me.
     
  3. kramden88 thread starter macrumors member

    Joined:
    Jul 14, 2008
    Location:
    NJ, USA
    #3
    Interesting, I might have to do the same because it works most of the time but fails sporadically.
     
  4. seecoolguy macrumors regular

    seecoolguy

    Joined:
    Nov 28, 2007
    #4
    backups still fail for me :(
     

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3 September 30, 2018