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Disk shelf firmware upgrade for IOM12B fails

Last Updated:

Applies to

  • ONTAP    
    • 9.4 or lower
    • 9.5P12 or lower
    • 9.6P6 or lower
  • IOM12B


  • After running the shelf firmware upgrade on an IOM12B, the below errors are seen in the event logs:
Cluster1::*> event log show
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
11/23/2022 21:26:23 node-02          ERROR         sfu.firmwareDownrev.shelf: Shelf 7a.shelf1 has downrev firmware.
  • Every manual upgrade attempt also fails.

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