Predictably, I can't see the drive to proceed to the other step. Software Update said the drive was up-to … If there’s an older Mac you need a drive to work with, APFS is a bad choice for that drive. Type any name for the new APFS volume, then click Add: Disk Utility should now show the new volume in the sidebar. @LangLangC Again, this is not an answer to the question - this is a workaround/hack, and not an "update" to Mojave as you claim. Apple Mac users can also use these methods to avoid APFS conversion and install macOS Mojave 10.14 on HFS+ (macOS Journaled Partition). @LangLangC Again, this is not an answer to the question - this is a workaround/hack, and not an "update" to Mojave as you claim. A Time Machine volume can not be formatted as a APFS volume, but an APFS volume can be backed up via Time Machine to a HFS+ formatted volume. Fusion drives have been supported since the release of Mojave. From here. last updated – posted 2019-Oct-15, 2:49 am AEST posted 2019-Oct-15, 2:49 am AEST User #22063 112 posts. So after browsing around the internet for a bit, I figured there are some solutions I could try. However, APFS is in development, so benchmarks performed with it may not be representative of the file system’s final performance. If I try to format the RAID in APFS, I can start the install. However, if one volume just needed 20 GB of space, you’d have 80 GB of space wasted—unless you resized the volume and then allocated that space to another volume.
Forum Regular reference: whrl.pl/RfWM3g. Apple also warns that drives formatted with this prerelease version of APFS may not be compatible with future versions of macOS and the final version of APFS. Yesterday, I attempted to upgrade the SSD drive to 10.14.1. But it fails with a "can't create a preboot volume for APFS install" in the initial phase of the install. posted 2019-Oct-14, 2:49 pm AEST ref: whrl.pl/RfWM3g. isConvertableToAPFS: was called on a APFS disk. Choose Edit > Add APFS Volume from the menu bar, or click in the Disk Utility toolbar.
In the sidebar, select your existing APFS volume. Regarding APFS and macOS High Sierra, Apple says the following on a knowledge base support article: “When you install macOS High Sierra on the Mac volume of a solid-state drive (SSD) or other all-flash storage device, that volume is automatically converted to APFS. Name: Type the name that you want the volume to have after you erase it. Reverse compatibility. In that case, you should erase the volume group. Don’t use an APFS drive for anything important. 2016’s macOS Sierra was the first operating system capable of reading and writing to APFS systems, meaning any Mac using an older operating system will not be able to write to APFS-formatted drives.