Can't resize partition in Disk Utility

Discussion in 'MacBook Pro' started by yjchua95, Oct 10, 2012.

  1. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #1
    Good day.

    I have a dual boot system (ML and SL for rosetta). Now, I want to try to resize my Macintosh HD (ML) for more space, but I can't seem to do so. Every time I drag the slider down, and click Apply, it reverts back to the original configuration, with that unallocated space below the Macintosh HD part.

    Attached is a screenshot.

    Is it also possible to enlarge my Snow Leopard partition?

    Thanks in advance!
     

    Attached Files:

  2. Mrbobb macrumors 601

    Joined:
    Aug 27, 2012
    #2
    Not absolutely sure but I think you cannot resize an active volume, the volume u boot with. So boot with SL, then make sure ML is unmounted, THEN.
     
  3. yjchua95 thread starter macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #3
    Impossible, because a warning window came up, telling me that I needed a newer version of Mac OS X to do so :p
     

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