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Knowing that macOS can no longer boot from a SoftRAID partition since v6.x, is it possible to have both an Apple partition AND a SoftRAID partition on the boot drive, or can only one driver deal with the entire physical drive?
I ask because I want to know if there is any way to still take advantage of SoftRAID monitoring, either on the boot drive, or on another partition on the same drive.
If this is not possible, does this mean that SoftRAID cannot be used in any way to manage the boot drive?
Also, if this is not possible, was this ever possible with previous versions, e.g. v5.x or earlier? (I was introduced to SoftRAID as far back as v2.)
Posted : 17/04/2026 1:17 am
MacOS only allows one driver to control a disk. So you cannot have both on the same drive.
SoftRAID 2/3/4/5 supported booting from SoftRAID disks, but Apple put a stop to that. It was a security thing for the future, Apple wants total control over anything that starts up the Mac. Big Sur was the point where no third party driver could be used to startup a MacOS computer.
SoftRAID does monitor the health of all drives, not just disks it controls, but it cannot log IO errors on such drives, just SMART data, when it is reported/available.
Posted : 18/04/2026 10:41 am
