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How do I identify the difference between IOM12 and IOM12B?

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disk-shelves
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Applies to

  • ONTAP 9
  • DS224C, DS212C, DS460C SAS3 storage shelves
  • IOM12, IOM12B shelf modules

Answer

  • Visual identification:
    • The label on the module shows either "IOM12" or "IOM12B"
    • The IOM12 module does not have the blue stripe. The IOM12B module has a blue stripe on the faceplate.

Difference between IOM12 and IOM12B

  • Review the output of the storage shelf show -module or (nodeshell) environment status shelf CLI commands:
    • IOM12 reports the following Mfg. 3x5 part number: 111-02850
    • IOM12B reports one the following Mfg. 3x5 part numbers: 111-04850 or 111-05055
  • Review the output of the system controller config show or (nodeshell) sysconfig -a CLI commands:
    • The shelf information will report the IOM model (IOM12 or IOM12B)
Shelf 10: DS224-12  Firmware rev. IOM12B A: 0120  IOM12B B: 0120

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