Fusion Drive - Partition

Discussion in 'iMac' started by ivanwi11iams, May 25, 2016.

  1. ivanwi11iams Contributor

    ivanwi11iams

    Joined:
    Nov 30, 2014
    Location:
    Atlanta, GA
    #1
    Sorry, I know I'm asking a lot of question, but, then again, that's how one can learn, right?

    With the iMac 1TB Fusion Drive, can I wipe it and create partitions (I'm using an external SSD for the OS).
    Then, I'd use one partition for Time Machine backups, and the other for cloned backups.

    The season I ask this question is because, I'm wondering how the SSD portion of the Fusion drive would work\act.

    Thanks in advance for your ideas, etc.
     
  2. hfg macrumors 68040

    hfg

    Joined:
    Dec 1, 2006
    Location:
    Cedar Rapids, IA. USA
    #2
    I believe you are limited to a single additional partition on a Fusion drive, and that will be totally on the hard disk and not part of the SSD-HD Fusion. You will use the BootCamp Assistant to create this partition. Of course, if you de-fuse the SSD and hard disk into separate drives, you can partition any way you wish.
     
  3. ivanwi11iams thread starter Contributor

    ivanwi11iams

    Joined:
    Nov 30, 2014
    Location:
    Atlanta, GA
    #3
    Hmm, interesting. If I de-fused it, can I recreate the Fusion if I wanted to? That's the question now ;)

    Thanks for the info.

     
  4. hfg macrumors 68040

    hfg

    Joined:
    Dec 1, 2006
    Location:
    Cedar Rapids, IA. USA
    #4
    Well, you only have a small SSD to work with which limits what you can do with it. But, yes, you can recreate the Fusion drive back as it was, or you can create a Fusion drive with individual partitions on either drive.

    For example, on one of my Mac Minis I installed a 512 GB SSD and a 2 TB hard disk, then partitioned the SSD in half ... a 256 GB SSD bootable Windows, and the other 256 GB is Fusion linked to the hard disk to create a 2.25 TB OS X Fusion drive.

    Note: be sure you have a solid backup before you mess with the Fusion drive as it will be totally erased when you de-fuse it, or re-fuse it.
     

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