I recently upgraded my 2012 MacBook Pro HDD to an SSD using CCC. My MacBook worked fine and I was upgraded to Mojave 10.14.2. However, I could not upgrade to Mojave 10.14.4 because my "volume was not supported" and my SSD was in macOS extended journaled not APFS. Now I spent 2 days trying to fix this, some things I learned that may help other people in the future:
-Make a time machine backup
-Time machine backup disks use MacOS extended journaled and can back up an APFS or MacOS extended journaled SSD/HDD BUT you can't make your time machine back up drive APFS format
-Going into recovery mode, erasing my SSD and reformatting as APFS worked. BUT I went back to recovery mode and hit "restore from time machine backup" as apple customer support told me to. This did NOT work, it converted my SSD back to macOS extended journaled.
What did work was going into recovery mode, disk utility, select my ssd, hit erase and reformat as APFS, then go back to the main recovery mode menu and select "re-install MacOS". This starts set up towards a new computer and eventually you get to a screen that asks if you want to transfer files from a time machine back up, another Mac, or fully set it up as a new Mac. Options here:
- Choose set up as new Mac and manually transfer over all your stuff (too lazy to do this)
- Select time machine back up at this point
Now, I was assuming that if I chose time machine back up here it would do the same thing and convert my new APFS SSD back to macOS extended journaled..but alas, it WORKED. So, since I spent 2 days and couldn't find any good information I made this to help others.
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