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Time Machine: setting up second external harddrive does it make a complete back up the first time?

615 Views 3 Replies Latest reply: Sep 6, 2013 6:41 AM by Pondini RSS
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Jul 14, 2013 10:08 AM

Time Machine: when setting up a second external hard drive (after a Time Capsul is already set up) does Time Machine place a complete backup onto the new external hard draive?

MacBook Pro, Mac OS X (10.6.8)
  • mende1 Level 10 Level 10 (89,490 points)

    Welcome to Apple Support Communities

     

    If you set up a second external hard drive to make backups to, Time Machine will have to make a complete backup again. It doesn't transfer backups from the Time Capsule

  • nevets2 Level 1 Level 1 (35 points)

    I want to use Time Machine to begin "doing it's thing" - creating a second Time Machine backup of the hard drive on my computer - on a new 2Tb external hard drive I've just installed and initialized.

     

    When I open the TIme Machine App it automatically goes into "Star Wars" mode as it's already commected to my Time Capsule.  THere is no menu bar anywhere.  When you cancel the "Star Wars" mode, it just closes the application.

     

    Where are the TIme Machine App "controls" - the menus where I can direct it to install and do an ongoing second TIme Machine backup of my Computer's hard drive on the new extrnal drive?

     

    Thanks for any help.  I hope this is as simple as it sounds.

     

    Steve

     

    PS If having a 2nd external drive doing regualr Time Machine backups of my main hard drive will slow down my computer too much (MacBook Pro 2009 running Mountain Lion) please advise.  I can also just do some other type of file and folder backup on a daily basis once a day.  I used to use Retrospect before I got the TIme Capsule 3 years ago.  Looks like REtrospect isn't among the most popular file backup apps for the Mac anymore.

  • Pondini Level 8 Level 8 (38,710 points)

    nevets2 wrote:

    . . .

    Where are the TIme Machine App "controls" - the menus where I can direct it to install and do an ongoing second TIme Machine backup of my Computer's hard drive on the new extrnal drive?

    System Preferences > Time Machine.

     

    Also available on the TM icon in your menubar.

     

    PS If having a 2nd external drive doing regualr Time Machine backups of my main hard drive will slow down my computer too much (MacBook Pro 2009 running Mountain Lion) please advise.  I can also just do some other type of file and folder backup on a daily basis once a day.

    No (other than the lengthy first full backup).

     

    However, using the same app for redundant backups may not be the optimal solution.  See Time Machine - Frequently Asked Question #27 for considerations and some suggestions.

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