In-session disk utility finds corruption but recovery mode doesn't?

Discussion in 'macOS Sierra (10.12)' started by UKPoliticsGuy, Feb 26, 2017.

  1. UKPoliticsGuy macrumors regular

    Joined:
    May 3, 2009
    #1
    Hi,

    Macbook Pro Late 2013 user.

    When I run disk utility on my main drive it finds corruption and asks me to go on to recovery mode to fix it.

    Problem is: I go on to recovery mode, run disk utility and it says there's no problem!

    What's going on?!
     
  2. mfram macrumors 65816

    Joined:
    Jan 23, 2010
    Location:
    San Diego, CA USA
    #2
    Running a file system check on a running, mounted file system is not reliable because of caching in the operating system. I would ignore the results on the boot drive when not running in recovery mode.
     
  3. UKPoliticsGuy thread starter macrumors regular

    Joined:
    May 3, 2009
    #3
    I see. Thank you!
     

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