Storage Discrepancy

Discussion in 'OS X Yosemite (10.10)' started by mafaky, Feb 22, 2015.

  1. mafaky macrumors regular


    Jun 12, 2014
    Istanbul, Turkey
    The finder indicates available capacity is 140,53GB. Disk Utility shows only 123,84 GB, in the rMBP in my signature. Almost 17GB difference!!!:confused:

    I had read earlier somewhere, that there will always be some difference between these two readings (and the one in Disc Utility is the one that should be trusted...) but is this much normal in a 256GB Flash Storage Drive with Yosemite?

    Is there any safe and free way that I may get rid of any junk files, which should be there in some amount?

    Thanks for any assistance.
  2. maflynn Moderator


    Staff Member

    May 3, 2009
    Download and use OmniDiskSweeper. It will provide a sorted list of what's consuming your space.

    If you run it with sudo (As shown below), it will include some system files that it woud not normally have access to scan. That is a more accurate representation of what's consuming your drive.
    sudo /Applications/
    Another option is to use this terminal command
    sudo du -d 1 -x -c -g /

    I prefer to redirect it to a text file (this puts it in your Documents folder
    sudo du -d 1 -x -c -g / > ~/Documents/du.txt

    Like the sudo /Applications/ command, it will scan all directories, but produce a text file as opposed to showing the results in a window
  3. Weaselboy Moderator


    Staff Member

    Jan 23, 2005
    I see you have a Time Capsule, so assume you have Time Machine turned on. It is Time Machine's local snapshots likely using that space and it is normal.

    From the help doc:


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