Screwed Up Fusion Drive -- How to get back normal?

Discussion in 'Mac Basics and Help' started by looking4anotebo, Jul 21, 2017.

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  1. looking4anotebo, Jul 21, 2017

    looking4anotebo macrumors 6502

    Joined:
    Jul 9, 2007
    #1
    So I botched a clean install when I improperly deleted a bootcamp partition. This led to me having to rebuild the fusion drive, which I did, except I can not get it partitioned with Macintosh HD.


    I can't boot, only internet recovery. In terminal I typed "diskutil CoreStorage list" and this is what I get (pic attached)



    Update: I ran this in terminal: "diskutil cs createVolume LVGUUIDxxxxxxxx jhfs+ "Macintosh HD" 100%.


    And I can now see the Macintosh partition. It's taking up the entire fusion drive though. Is this correct? I think I'm missing something. The entire drive isn't usually allocated to Macintosh HD if I recall correctly.
     

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  2. vkd, Jul 22, 2017

    vkd macrumors 6502a

    vkd

    Joined:
    Sep 10, 2012
    #2
    Boot off an install disk or do Internet boot, select Options/Terminal, erase your discs and create a new Fusion Drive. Close Terminal and continue to install a fresh copy of macOS.
     
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  3. ApfelKuchen, Jul 22, 2017

    ApfelKuchen macrumors 68030

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    #3
    Yes, that is normal. Macintosh HD does take up the entire Fusion Drive. Then reinstall MacOS, then create the Boot Camp partition using Boot Camp Utility.
     
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