Nor for RAID drives, whatever the substrate... except that by virtue of my participation in the beta programme, my Mac's RAID-0 array was converted before they

Nor for RAID drives, whatever the substrate... except that by virtue of my participation in the beta programme, my Mac's RAID-0 array was converted before they decided to change track, and now after I wiped my system to restart anew I have literally no way of getting my system back to the initial state it was in.