[Solved] Time Machine Backups Failing on Mojave

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

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  1. kramden88, Sep 30, 2018

    kramden88 macrumors member

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    #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.
     
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  2. Baldlars, Oct 5, 2018

    Baldlars macrumors newbie

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    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.
     
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    seecoolguy likes this.
  3. kramden88, Oct 5, 2018

    kramden88 thread starter macrumors member

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    NJ, USA
    #3
    Interesting, I might have to do the same because it works most of the time but fails sporadically.
     
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  4. seecoolguy, May 14, 2019

    seecoolguy macrumors regular

    seecoolguy

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