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  1. #46
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2013
    Location
    New York
    Posts
    126
    Your Mac's Specs
    27" 5k Retina iMac, 24 gig Ram, i7 4.0GHz, 10.13.4
    Quote Originally Posted by ferrarr View Post
    What is;

    OWC #2 - CCC
    macOS, 10.13.4

    It seems to be what you are looking for?

    How is the drive connected? Direct to the Mac, or on a hub? When you formatted the drive, what specifically was the step by step procedure?

    Bob, OWC #2 is the current CCC drive and is bootable. The problem is that it is only a 1TB USB 2 drive, and is almost four years old. So not only is it extremely slow to boot from (close to 30 minutes), but is too small and likely reaching it's life end. So I "upgraded" to a 4TB USB 3 drive.
    Unfortunatley I do not know what the other reference is. When I bought the iMac I needed help at the Apple store setting things up and I do not remember (if I ever knew) what they did. So I do not know how I got the OWC #2 drive to be bootable or what the other stuff is.

    It's been a few weeks now but my recollection is that when I took the Fantom out of the box I used Disk Utility/Erase and set up Mac OS Extended (Jouralized) and chose GUID as the partition.

    Your message crossed with my latest reply where I posted a screen shot of the current Disk Utility.

    Mark

  2. #47
    A supposedly bootable drive not showing on opening screen
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    13,419
    Your Mac's Specs
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.1 beta
    @Jamian I've used the two partition method back in the days before you could boot directly from a Time machine backup. Let's see if I can explain why I don't think this is a good solution for Frank F. As it stands right now Frank can only boot from the external drive if he first selects that drive in the Startup pane. In the event of a catastrophic failure of the internal drive, you lose access to the startup pane.

    In this case, you probably won't be able to boot from the external drive since you can't access the startup preference pane. If creating a startup partition were all it took to make that drive work the cloning process should have made that work.

  3. #48
    A supposedly bootable drive not showing on opening screen
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    4,980
    Your Mac's Specs
    L2014 Mac mini macOS Mojave, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Mark, have you tried, a clean install of macOS High Sierra on the Fantom drive? Just to test, if it will be bootable?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  4. #49
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2018
    Posts
    15
    Your Mac's Specs
    MacBook Pro (13-inch, Mid 2012) 2.9 GHz Intel Core i7
    Once you install OS X to an external hard drive it also creates it's own recovery partition on the external hard drive.

  5. #50
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2018
    Posts
    15
    Your Mac's Specs
    MacBook Pro (13-inch, Mid 2012) 2.9 GHz Intel Core i7
    Once you install OS X to an external hard drive it also creates it's own recovery partition on the external drive.

    Quote Originally Posted by Slydude View Post
    @Jamian I've used the two partition method back in the days before you could boot directly from a Time machine backup. Let's see if I can explain why I don't think this is a good solution for Frank F. As it stands right now Frank can only boot from the external drive if he first selects that drive in the Startup pane. In the event of a catastrophic failure of the internal drive, you lose access to the startup pane.

    In this case, you probably won't be able to boot from the external drive since you can't access the startup preference pane. If creating a startup partition were all it took to make that drive work the cloning process should have made that work.

  6. #51
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2018
    Posts
    15
    Your Mac's Specs
    MacBook Pro (13-inch, Mid 2012) 2.9 GHz Intel Core i7
    Installing OS X on the external drive will create its own recovery partition. You can boot to the Recovery Console from the external hd and choose to restore your Time Machine backup to a different partition.

    Quote Originally Posted by Rod Sprague View Post
    Jaiman, with respect I'm not sure you have thought this though from a practiclal point of view and I don't see how it helps our user, which is after all the whole point of this forum.
    Say for example an internal HD fails for whatever reason. Would you rather startup with a mint Operating System that then needs to access a TM backup which cannot by itself run your device in order to restore your backed up data. This will not give you access to your data, just a way of restoring it to a new HD.
    OR would you like to be able to boot your device with all of your data, settings, preferences and passwords intact exactly as they were and have the ability to restore all of this to a new replacement HD when you are able to replace it in the space of an hour or so?
    My wife ran her MBP for two weeks from a clone while waiting for a replacement SSD and only required 2 hrs to restore her cloned data and Operating System to the new drive.
    This is the beauty of a bootable clone and I fail to see how your suggestion would replace this fuctionality.
    Last edited by Jaiman; 05-16-2018 at 02:12 AM.

  7. #52
    A supposedly bootable drive not showing on opening screen
    Slydude's Avatar
    Member Since
    Nov 16, 2009
    Location
    North Louisiana, USA
    Posts
    13,419
    Your Mac's Specs
    2.8 GHz 2008 MacBook Pro 10.11, 8 GB mem, iPhone XS, 2015 iMac 16 GB 10.14.1 beta
    I'm aware of that but I don't think that is the source of the problem here. Creating an OS partition on that drive should produce a bootable drive but the fact that he hasn't produced a bootable clone using the methods he's tried leaves me to believe something else is causing a problem.

    @Mark F Just a couple of questions that might move things along a bit:

    1. What specific model of Fantom hard drive are you working with? I seem to recall having issues with a Fantom drive I used briefly.
    2. Have you tried repeating the cloning process? As I mentioned I've had a few cloning attempts fail the first time.

  8. #53
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2013
    Location
    New York
    Posts
    126
    Your Mac's Specs
    27" 5k Retina iMac, 24 gig Ram, i7 4.0GHz, 10.13.4
    All of my external drives are connected through a USB 3 hub (powered). The Fantom drive is identified on the box as a Gforce/3 SuperSpeed. I do not see a model number but I'm attaching a description from the B&H website.

    Sorry for my ignorance, but how would I install the OS on the drive?

    Mark
    Attached Images Attached Images
    Last edited by Mark F; 05-16-2018 at 12:16 PM.

  9. #54
    A supposedly bootable drive not showing on opening screen
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    9,822
    All of my external drives are connected through a USB 3 hub (powered).

    To avoid any further problems with that external drive, bypass using the powered hub and try with it connected directly to your Mac's port.

    Oftentimes that can improve and fix any problems.




    - Patrick
    ======

  10. #55
    A supposedly bootable drive not showing on opening screen
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    4,980
    Your Mac's Specs
    L2014 Mac mini macOS Mojave, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Quote Originally Posted by Mark F View Post
    Sorry for my ignorance, but how would I install the OS on the drive?

    Mark
    Download the installer, and create a bootable USB installer, https://support.apple.com/en-us/HT201372.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  11. #56
    A supposedly bootable drive not showing on opening screen
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    56,349
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, Mojave
    @Mark F:

    What year model is your 27" 5K iMac?

    The reason for the question is that the late 2015 27" 5K iMac has two thunderbolt 2 outputs whereas the late 2017 27" iMac has two thunderbolt 3 outputs. The thunderbolt 3 outputs are also designated as USB 3.1 while the thunderbolt 2 outputs are not.

    Your Fantom hard drive is a USB 3.1 drive. I'm wondering if there is an incompatibility in the way you have it connected?

  12. #57
    A supposedly bootable drive not showing on opening screen
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    9,822
    The thunderbolt 3 outputs are also designated as USB 3.1 while the thunderbolt 2 outputs are not.

    Good catch Charlie.

    Some of the connections will fit, but just won't work as expected it they are incompatible.




    - Patrick
    ======

  13. #58
    A supposedly bootable drive not showing on opening screen

    Member Since
    May 10, 2013
    Location
    New York
    Posts
    126
    Your Mac's Specs
    27" 5k Retina iMac, 24 gig Ram, i7 4.0GHz, 10.13.4
    @chscag, it's a late 2014. Does that help?

  14. #59
    A supposedly bootable drive not showing on opening screen
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    56,349
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, Mojave
    Yes, that does help. The late 2014 27" 5K iMac has two thunderbolt 2 outputs same as the 2015 model. It wasn't until the later model (2017) that Apple included thunderbolt 3 ports that are compatible with USB 3.1/USB c. Now, that may or may not matter since supposedly your Fantom drive is backward compatible with the USB 3.0 standard and should work OK when attached to your iMac USB 3.0 ports.

    We're kind of grasping at straws here but there has to be something that's preventing that drive from appearing as bootable when booting with the Option key held down. I have several USB 3.0 Seagate external drives that have been cloned using CCC and each appears as bootable when the Option key is used. Unfortunately I do not have a USB 3.1 drive to test with.

  15. #60
    A supposedly bootable drive not showing on opening screen
    Rod Sprague's Avatar
    Member Since
    Jun 12, 2011
    Location
    Melbourne, Australia and Ubud, Bali, Indonesia
    Posts
    4,108
    Your Mac's Specs
    MacBook Pro Retina 13" macOSX 10.13.3 beta
    I would definitely eliminate the USB hub from this equation. They are the cause of all sorts of connectivity problems even when they appear to be working. In fact I would be inclined to see if the Fantom drive appears as Bootable when it's connected directly and the option ket method is used.

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