My immediate location prevents me from immediately sharing the details (I will post them later!), but I wanted to chime in and say that yes, this is completely doable (and I'll be back). I did it myself on my 2010 5,1 about 3 weeks ago. What the OP is asking is definitely possible. Perhaps also not having the SSD physically installed until later was a key too for all I know? But my guess is the key part is first making an install onto a HDD, then making a time machine backup, then install that time machine backup onto your SSD. So again I likely am giving more info that was is pertinent. I checked afterwards thinking after it was all setup it would prompt for a HFS+ to APFS conversion, but it did not. It goes fine and when I was prompted to select a destination disk for the High Sierra install I selected the SSD. So I boot up holding the option key for the boot menu and I select the HDD ("C") that has my High Sierra Time Machine backup on it. I format it to HFS+ and did note that it had the APFS formats as options. I then made a Time Machine backup of my High Sierra HDD ("B") to a DIFFERENT HDD (lets call this HDD "C")Īt this point in time I physically installed a new OWC SSD into the 4th SATA bay. Please note I still have not physically installed the SSD at this point in time I put El Captain onto the same HDD as Snow Leopard, but separate partition/volumeįrom there I could download the High Sierra installer and updated to High Sierra onto a separate HDD (lets call this HDD "B"). So I made a partition to update to El Captain on my Snow Leopard bootable HDD (lets call this HDD "A") I was going from Snow Leopard 10.6.8 to High Sierra 10.13.3 (I am now on 10.13.4 and still works well with a HFS+ SSD) So this might be a much longer or ridiculous process than needed to achieve the same results, but here is what I did I really want this to work in some way since the "cloning" method and installing old OS X (upgrading to High Sierra and running terminal from desktop) aren't optimal solutions in my eyes. "/Volumes/Install macOS High Sierra.app/Contents/Resources/startosinstall" -volume /Volumes/HD50 -converttoapfs NO If the drive I want to install High Sierra on is called "HD50" shouldn't it be possible to install High Sierra from the terminal when booting up with the following line?: Thought it would be smart to make one of the discs my "High Sierra installer disc" for fast install speed instead of a USB drive. At the moment my two Samsung EVO 850's are connected by the regular SATA ports. I want to make a fresh install of High Sierra without having to do the "cloning" proces. I have looked at numerous guides like this: Mac Studio (2022 and later), iMac (2019 and later), Mac Pro (2019 and later), Mac mini (2018 and later), MacBook Air (2018 and later), MacBook Pro (2018 and later), and iMac Pro (2017)Īpple Watch Series 3, Series 4, Series 5, Series 6, Series 7, and SECurrently in the proces of experimenting with HFS+ and APFS for my bootable drive with High Sierra. IPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)Īpple Watch Series 9 and Apple Watch Ultra 2 IPhone 8 and later, iPad Pro (all models), iPad Air 3rd generation and later, iPad 5th generation and later, and iPad mini 5th generation and later MacBook Pro (2021 and later) and iMac (2023) IPhone XS and later, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later IPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation This update has no published CVE entries.
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