Fusion Drive diagnosing help

Discussion in 'iMac' started by 212rikanmofo, May 22, 2018.

  1. 212rikanmofo macrumors 68000

    Joined:
    Jan 31, 2003
    #1
    One of the drives in my iMac is bad but I don't know if its the 128GB Flash Drive or the HDD. Is there a way to 100% tell for sure which one it is?
     
  2. Fishrrman macrumors P6

    Fishrrman

    Joined:
    Feb 20, 2009
    #2
    1. Boot from an EXTERNAL drive that has a copy of the Mac OS on it.
    2. Open Disk Utility
    3. Run DU's "repair disk" function on the SSD, and then on the HDD
    4. What are the results?
     
  3. 212rikanmofo thread starter macrumors 68000

    Joined:
    Jan 31, 2003
    #3
    It only shows one unit, I don’t see 2 seperate ones. So how can I test the 2 independently?
     
  4. 212rikanmofo thread starter macrumors 68000

    Joined:
    Jan 31, 2003
    #4
    These are the results that I get back, even after hitting verify and repair disk. It keeps showing that invalid disk label error. So at this point, can anyone tell me what's wrong? Is my SSD bad or my HDD or both? I'm confused.

    [​IMG]

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    [​IMG]

    [​IMG]

    [​IMG]
     
  5. Fishrrman macrumors P6

    Fishrrman

    Joined:
    Feb 20, 2009
    #5
    Look at the images posted above.
    See "Macintosh HD" -- HIGHLIGHTED IN BLUE ??

    You want to click on the "Macintosh HD" --ABOVE THIS--.
    See what it says.

    Looking at the images you posted, it looks like the SSD is reporting OK in Disk Utility.
     

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