"Again, misinformation from you.
You can install macOS from the installer in apps folder, or from the internet booted from the Recovery, on an external drive. You simply select the drive in the installer options. And I installed macOS High Sierra on a spinner just a few days ago, I can't see why recent versions would care if the drive is spinning or solid state."
Installing newer versions of the OS on an m-series Mac is not the same as doing it on an Intel Mac.
I would have thought so, too, but found this out myself when I tried to create a bootable external drive using (I believe it was) Monterey.
(as an aside, I have a dosdude1-patched version of Mojave on an old 7200rpm drive in a USB3/SATA dock that will boot my 2012 Mini, no problems)
Some firsthand experiences from some months ago (all using a 2021 MacBook Pro, m1pro CPU):
- At first, I tried creating a bootable clone of Monterey onto a platter-based hard drive using SuperDuper (may have tried with CCC as well, can't remember).
Although the clone "went through" -- that is, both the OS and the "HD Data" containers were cloned, I couldn't get a successful boot from the drive. Just wouldn't work. Wouldn't boot.
- I wiped the HDD and tried a different approach, installing Monterey as a "fresh install", using the installer. I can't remember whether the install failed or not, but I still couldn't get a bootable drive.
(the drive was otherwise "good", i.e. not defective. It was an older drive, however, just USB2, I think -- perhaps THAT had something to do with it -- not USB3).
- I then tried to install Monterey (fresh copy) on an SSD in a USB3 enclosure.
This time, the OS installed without a hitch and the drive was bootable (from the m1pro MBP) without problems.
- I then used ANOTHER SSD (this one is a home-build nvme drive in a USB3.1 gen2 enclosure) and SuperDuper to do a full-cloned backup of Monterey onto the SSD.
The clone went through and the drive IS bootable. In fact, I just booted from it a few minutes ago to check.
Prior to my experiences with the m-series MBP, I had never had problems installing the OS onto platter-based drives. The OS might boot slowly -- but it still booted. That seems to have changed.
Unless you have tried doing such things yourself, it's not advisable to come in here and tell me that what I'm posting is "misinformation". What you did with High Sierra doesn't count when discussing the procedure with Apple Silicon.
I'm wondering if anyone else in the forum, using an m-series Mac, has been able to install the OS onto a platter-based drive and then boot from it. If successful, were you using a relatively high-speed drive? (such as 7200rpm or faster)
Please give us your report.
I was using an old drive, so I'm thinking that slow speed had something to do with it.
You can install macOS from the installer in apps folder, or from the internet booted from the Recovery, on an external drive. You simply select the drive in the installer options. And I installed macOS High Sierra on a spinner just a few days ago, I can't see why recent versions would care if the drive is spinning or solid state."
Installing newer versions of the OS on an m-series Mac is not the same as doing it on an Intel Mac.
I would have thought so, too, but found this out myself when I tried to create a bootable external drive using (I believe it was) Monterey.
(as an aside, I have a dosdude1-patched version of Mojave on an old 7200rpm drive in a USB3/SATA dock that will boot my 2012 Mini, no problems)
Some firsthand experiences from some months ago (all using a 2021 MacBook Pro, m1pro CPU):
- At first, I tried creating a bootable clone of Monterey onto a platter-based hard drive using SuperDuper (may have tried with CCC as well, can't remember).
Although the clone "went through" -- that is, both the OS and the "HD Data" containers were cloned, I couldn't get a successful boot from the drive. Just wouldn't work. Wouldn't boot.
- I wiped the HDD and tried a different approach, installing Monterey as a "fresh install", using the installer. I can't remember whether the install failed or not, but I still couldn't get a bootable drive.
(the drive was otherwise "good", i.e. not defective. It was an older drive, however, just USB2, I think -- perhaps THAT had something to do with it -- not USB3).
- I then tried to install Monterey (fresh copy) on an SSD in a USB3 enclosure.
This time, the OS installed without a hitch and the drive was bootable (from the m1pro MBP) without problems.
- I then used ANOTHER SSD (this one is a home-build nvme drive in a USB3.1 gen2 enclosure) and SuperDuper to do a full-cloned backup of Monterey onto the SSD.
The clone went through and the drive IS bootable. In fact, I just booted from it a few minutes ago to check.
Prior to my experiences with the m-series MBP, I had never had problems installing the OS onto platter-based drives. The OS might boot slowly -- but it still booted. That seems to have changed.
Unless you have tried doing such things yourself, it's not advisable to come in here and tell me that what I'm posting is "misinformation". What you did with High Sierra doesn't count when discussing the procedure with Apple Silicon.
I'm wondering if anyone else in the forum, using an m-series Mac, has been able to install the OS onto a platter-based drive and then boot from it. If successful, were you using a relatively high-speed drive? (such as 7200rpm or faster)
Please give us your report.
I was using an old drive, so I'm thinking that slow speed had something to do with it.
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