Newbie question re Backup Storage

Discussion in 'OS X Yosemite (10.10)' started by deskjetian, Sep 18, 2015.

  1. deskjetian macrumors newbie

    Joined:
    Jul 28, 2010
    Location:
    The Midlands, UK
    #1
    Newbie question...
    I just got my first mac a week ago and have started using Time Machine.
    When I look at About This Mac>Storage I have 5+GB allocated to Backup Storage on the internal ssd.
    I had assumed that whenever I attached my external TM drive and do a backup, the disk allocated to Backup Storage would be released but I've noticed it doesnt do this.
    Assuming now that my original assumption was wrong, when does this allocation get released ?
    Thanks.
    Ian.
     
  2. Weaselboy Moderator

    Weaselboy

    Staff Member

    Joined:
    Jan 23, 2005
    Location:
    California
    #2
    Your assumption is incorrect. That is Time Machine's local snapshots and they will stay there until the disk begins to get full, then the OS will start to shrink it down. Once the disk hits 80% full it will start to get deleted. You can read more about it here.
     
  3. deskjetian thread starter macrumors newbie

    Joined:
    Jul 28, 2010
    Location:
    The Midlands, UK
    #3
    Thanks for your reply.
     

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