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  1. #1


    Member Since
    Dec 25, 2011
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    7
    Time Machine,External HD Help
    I am using an iMac with 10.8.3 Mountain Lion and would like to use an external hard drive with Snow Leopard installed on it. Is it possible to use that HD for Time Machine? Any help is most appreciated.

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    47,142
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    Yes it's possible but not recommended. In order to use it for Time Machine in addition to Snow Leopard, it's best to partition it.

  3. #3


    Member Since
    Dec 25, 2011
    Posts
    7
    What is your recommendation? I have tried the partition route with no success.

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    47,142
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    If you divide the external hard drive into two partitions, one for Snow Leopard and the second for Time Machine, it should work. Just make sure the second partition is formatted as Mac OS Extended Journaled and name it something that you can point the TM program to.

  5. #5


    Member Since
    Dec 25, 2011
    Posts
    7
    Appreciate your help. If anything you've given me hope that I can succeed.
    I may be back. Many Thanks.

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