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  1. #1
    Need external hard drive for Time Machine?

    Member Since
    Mar 09, 2014
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    Need external hard drive for Time Machine?
    Do i need an external hard drive to backup Time Machine
    on iMac?

  2. #2
    Need external hard drive for Time Machine?
    Slydude's Avatar
    Member Since
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    2.8 GHz MacBook Pro 10.10.2, 8 GB mem, iPhone 6+
    You could use a partition on an internal drive but I don't really like the idea. Having your data and the backup on the same drive means that a drive failure ruins the initial data and the backup.

    Time Machine can work with an external drive, a second internal drive, or a network device.
    Sylvester Roque Former Contributing Editor About This Particular Macintosh

    "Got Time to breathe. You got time for music." Denver Pyle as Briscoe Darling

  3. #3
    Need external hard drive for Time Machine?
    MYmacROX's Avatar
    Member Since
    Mar 17, 2009
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    2008 15" MBP Yosemite, 2012 21.5" iMac Yosemite
    Yes, you do need an external drive. Time Machine is just the app that performs the backups and allows you to browse through them and restore files from your backups. It's like going back in time, get it?

    Don't spend extra on a hard drive just because it says it is just for Macs. Pretty much any drive can be reformatted with Disk Utility on your Mac before you perform your first backup. There are plenty of YouTube videos on how to do that if you are a visual person.
    64GB iPhone 6, 64GB iPad Air 2.

    Reminder: Please include your Mac's specs. This will make it much easier for the other members to assist you.

  4. #4
    Need external hard drive for Time Machine?
    harryb2448's Avatar
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    Nov 28, 2007
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    As stated above if the day your hard drive fails, and they all will sooner or later, you will lose your backup as well. Personally prefer cloning on to the external hard drive. If you provide computer details can advise if you should go UBS2, USB3, Thunderbolt or Firewire.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  5. #5
    Need external hard drive for Time Machine?

    Member Since
    Jun 11, 2010
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    3.4GHz Quad-Core Intel Core i7 4GB 1333MHz DDR3 SDRAM - 2x2GB 1TB Serial ATA Drive AMD Radeon HD 697
    I back up my 2011 i7 27 inch iMac running OS 10.9.2 to an external WD Elements 1TB drive which I bought for around $75-$80 then reformatted as stated above. I also have an emergency start up drive created on an 8GB USB drive. Haven't had to use either yet although I suppose I am tempting fate by saying that!

  6. #6
    Need external hard drive for Time Machine?
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
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    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    You'll learn Wardy you'll learn tempting the IT gods like that!
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  7. #7
    Need external hard drive for Time Machine?

    Member Since
    Mar 09, 2014
    Posts
    5
    Hard Drive For Time Machine
    Thank you all for the helpful answers.

  8. #8
    Need external hard drive for Time Machine?
    RadDave's Avatar
    Member Since
    Jan 20, 2012
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    MBP 13" (2013); 2.6 GHz i5; 8 GB RAM; SSD 256 GB; OS 10.10.5
    Quote Originally Posted by Movingon View Post
    Thank you all for the helpful answers.
    Hi Movingon - take heed of this great advice, i.e. at the very minimum you need an external HD running Time Machine (TM) for a basic backup (BU) - BUT also redundant BUs especially of your important personal files should be done. Before continuing, please let us know your needs? Dave

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