EMS reports unsupported disk shelf when mix IOM12B and IOM12 in the same stack Last updated Save as PDF Share Share Tweet Share Views:153Visibility:PublicVotes:0Category:ontap-9Specialty:hwLast Updated: Applies to IOM12B ONTAP 9.5P1 Issue EMS reports unsupported disk shelf when mix IOM12B and IOM12 in the same stack.