Cloned computers, failing and slow login

Discussion in 'OS X Mountain Lion (10.8)' started by askWinters, Aug 19, 2013.

  1. askWinters macrumors newbie

    Nov 4, 2010
    When using CCC or Disk Utility to clone a Mac HD of one new iMac to another, over ThunderBolt, we are getting I/O errors. Even though the clone fails, the destination system does boot and log in, however, the logins take a very very very long time.
  2. askWinters, Aug 21, 2013
    Last edited: Aug 21, 2013

    askWinters thread starter macrumors newbie

    Nov 4, 2010

    It looks like cloning via Thunderbolt does not work. We tried multiple iMacs and multiple cables. In the end we used external USB3 hard drives as Master Images. Worked flawlessly.

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