Screwed up partition

Discussion in 'OS X Yosemite (10.10)' started by AppleHawk, Sep 9, 2014.

  1. AppleHawk, Sep 9, 2014
    Last edited: Sep 9, 2014

    AppleHawk macrumors newbie

    Joined:
    Sep 9, 2014
    #1
    Hey guys I guess I screwed up my partitions when I put on the Yosemite beta. I added a new one and sized it and installed YS. Nothing looked strange and HDD still had normal name etc. I went to remove it today only to find it had bled over into my mavericks partition and renamed my HDD. I have no idea what is going on here am I going to have to start over on this machine? I am semi new to OSX so any help would be great!
     

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  2. Swiss-G macrumors 6502a

    Swiss-G

    Joined:
    Jun 3, 2010
    Location:
    United Kingdom
    #2
    Run the command below in Terminal and that will turn off core storage for the Yosemite volume and allow you to manipulate the partitions normally.

    Code:
    diskutil cs revert disk1
     
  3. Weaselboy Moderator

    Weaselboy

    Staff Member

    Joined:
    Jan 23, 2005
    Location:
    California
    #3
    You did not do anything wrong at all. For some reason Yosemite converts the disk to a core storage volume when installed in a second partition like you did. The command Swiss-G gave you will revert the core storage volume back to a normal volume and you will be in good shape.
     
  4. BasicGreatGuy, Sep 10, 2014
    Last edited: Sep 10, 2014

    BasicGreatGuy Contributor

    BasicGreatGuy

    Joined:
    Sep 21, 2012
    Location:
    In the middle of several books.
    #4
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