Disk Utility - HD And Only Partition Showing Different Available Space

Discussion in 'macOS' started by Robert Melo, Jul 16, 2015.

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  1. Robert Melo, Jul 16, 2015

    Robert Melo macrumors newbie

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    Jul 16, 2015
    #1
    So, I'm using Mac OS Yosemite and when accessing Disk Utility, if I look at the boot SSD (that have only one partition), it shows 17.33 GB available, but when looking right into the partition, it shows the correct
    238.82 GB.
    I made a clean install of OS X Yosemite today after erasing all the data from the SSD using security method with 3 steps (I was using Mavericks till then).
    Why would this happen?
     

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  2. Weaselboy, Jul 17, 2015

    Weaselboy Moderator

    Weaselboy

    Staff Member

    Joined:
    Jan 23, 2005
    Location:
    California
    #2
    What you are seeing is normal. The Yosemite install turns the main partition into a "logical volume" that fills the entire drive. That is what you are seeing in the first screenshot. Then the second screenshot is looking inside the logical volume and is the actual space used.
     
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  3. Robert Melo, Aug 4, 2015

    Robert Melo thread starter macrumors newbie

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    Jul 16, 2015
    #3
    Thanks, dude.
     
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