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How do I identify the difference between IOM12, IOM12B, and IOM12C?

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Applies to

  • ONTAP 9
  • DS224C, DS212C, DS460C SAS3 storage shelves
  • IOM12, IOM12B, and IOM12C shelf modules

Answer

The IOM12(x) modules can be distinguished physically by their label and markings or from the command line.

Command line

  • storage shelf show -module or (nodeshell) environment status shelf CLI commands:
    • IOM12 reports the following Mfg. 3x5 part number: 111-02850
    • IOM12B reports one of the following Mfg. 3x5 part numbers: 111-04850 or 111-05055
    • IOM12B reports the following Mfg. 3x5 part number: 111-05602
  • (Nodeshell) sysconfig -a CLI commands:
    • The shelf information reports the IOM model along with the firmware version

    Shelf 10: DS224-12  Firmware rev. IOM12B A: 0120  IOM12B B: 0120

    Appearance
    IOM12

    Front of IOM12

    • The label on the module shows IOM12 with no other markings
    IOM12B

    Front of IOM12B

    • The label on the module shows IOM12B with a solid blue stripe marking
    IOM12C

    IOM12C_back.png

    • The label on the module shows IOM12C with a blue/white stripe marking

    Additional Information

     

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