Photos App - Slave and Master

Discussion in 'Mac Apps and Mac App Store' started by serky100, May 11, 2017.

  1. serky100 macrumors newbie

    May 11, 2017
    I am having trouble with photos duplicating when I connect my iPad to my Mac ie - I have done the following:
    1. imported photos to the Mac from the iPad
    2. left the photos on the iPad
    3. edited the photos on the Mac eg - re-arranged/renamed/changed dates/filed in folders etc
    When I reconnect the iPad to the Mac at a later time and sync, I find that I get many duplicates on the Mac.

    Can someone explain how the Photos app determines what is the master? What data does it use to compare photos on the iPad and Mac to determine if they are the same or not?

    What about importing - how does the Mac 'know' if a photo has already been imported?

  2. Stefan johansson macrumors 65816

    Stefan johansson

    Apr 13, 2017
    To stop duplicates,move photos in iPad to new folder,as the Mac always sync the standard photo folder.

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