Ahhhh On a hunch, I used SoftRAID to unmount the last 2 drives, then tried to initialise them from an unmounted state, each one mounted and initiali...

Hmmmmm, ALMOST!!!!! Gave Full Disk Access and then tried to initialise the 4 disks. The first 2 initialised perfectly, the last 2 did not and came...

File attached. I tried to attach a screenshot of my SoftRAID window but it won't allow it. It shows quite clearly that all 4 drives are not ass...

They are individual drives and not part of a volume, they cannot be part of a volume until they are initialised by SoftRAID. they are not part of o...

Hi I think you may have missed part of my message. The drives are not part of a volume and the drives are already Apple formatted on another Mac. ...