Sierra Upgrade eats available SSD space on mid-2010 MBP

Discussion in 'macOS Sierra (10.12)' started by Steinberg2010, Oct 12, 2016.

  1. Steinberg2010 macrumors newbie

    Oct 12, 2016
    I have a mid-2010 MBP that I upgraded with a 128gb SSD in the normal bay, and a 1tb HDD in the superdrive bay. I use the SSD for the OS and symlinked most of the user files to an HDD in the superdrive bay (thus keeping the minimal amount of information on the SSD).

    Since upgrading to Sierra I keep getting notifications warning me that my disk is almost full. In Finder if I click "get info" and add up the size of the four folders "Applications" "Library" "System" and "Users" I have a total of 16.06 + 9.67 + 7.87 + 11.3 = 45gb used. In storage management it claims that 123gb is being used - what could be eating up all the available space? I never had this warning under El Capitan.

    Thanks for any help!

  2. smokeMMA, Oct 12, 2016
    Last edited: Oct 12, 2016

    smokeMMA macrumors newbie


    Oct 8, 2016
    I have the same MBP with 256 Gb SSD and 1TB HDD. Before update, I had 146 Gb free space on the SSD, after update from El Capitan to Sierra, I have 154 Gb free space, but I didn't delete anything. Try to use CleanMyMac. May be it help.
  3. Decimotox macrumors 6502a

    Jul 8, 2013
    It's not working as a fusion drive, is it? I believe the system would automatically move any files you use most frequently to the SSD so they load/work more quickly. This could be your problem, but I don't have a FD currently. Just a thought.
  4. saudor macrumors 6502a

    Jul 18, 2011
    it might be a glitch with the symlinked files being treated as "being on the main drive" I use a similar setup but keep my user profile on the SSD to keep things simple (and so i can eject the 1TB drive when i need battery life and dont need access to all my files on the spinner)

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