How to Troubleshoot DS460C Disk Shelf Drawer Controller Module (DCM) Faults after ONTAP upgrade to 9.5 and Firmware upgrade

Last updated

Feb 4, 2022
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Views:: 1,658

Visibility:: Public

Votes:: 1

Category:: disk-shelves

Specialty:: HW

Last Updated:: 2/4/2022, 6:29:06 AM

Applies to

ONTAP 9.5p5 and lower
DS460C Disk Shelf
IOM12 FW 230 and lower

Symptom

During an upgrade to ONTAP 9.5, a IOM12 Firmware update on the DS460C disk shelf also occurs. This may lead to a shelf fault. An amber light will appear on the disk shelf showing a fault.
Running the command "storage show fault -v" will show the following faults:

Enclosure:
Element Status         Status Bytes  Status Descriptions
  1: OK                01,00,02,00   FAIL
  
  Drawers Control Module:
Element Status                      Status Bytes  Status Descriptions
  1 [IOM12 A]    : OK                01,00,01,00   REPORT
  2 [IOM12 A]    : OK                01,00,01,00   REPORT
  3 [IOM12 A]    : OK                01,40,01,00   FAIL, REPORT
  4 [IOM12 A]    : OK                01,00,01,00   REPORT
  5 [IOM12 A]    : OK                01,00,01,00   REPORT
  6 [IOM12 B]    : OK                01,00,01,00   REPORT
  7 [IOM12 B]    : OK                01,00,01,00   REPORT
  8 [IOM12 B]    : OK                01,00,01,00   REPORT
  9 [IOM12 B]    : OK                01,00,01,00   REPORT
 10 [IOM12 B]    : OK                01,00,01,00   REPORT