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    • IOM shows "NOT INSTALLED" in enclosure after replacement
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/IOM_shows_NOT_INSTALLED_in_enclosure_after_replacement
      An IOM12 module was found to be faulty IOM module then shows as "NOT INSTALLED" Enclosure Status: critical Module Type: IOM12 1 [IOM12 A] : OK 01,00,01,00 REPORT 1 [IOM12 A] : OK 01,08,00,20 MASTER, R...An IOM12 module was found to be faulty IOM module then shows as "NOT INSTALLED" Enclosure Status: critical Module Type: IOM12 1 [IOM12 A] : OK 01,00,01,00 REPORT 1 [IOM12 A] : OK 01,08,00,20 MASTER, RESERVED 2: NOT INSTALLED 05,00,00,00 Element Status Status Bytes Status Descriptions 1 [IOM12 A] : CRITICAL 02,18,00,40 NO ACPP, INBACP, FAIL 2 : NOT INSTALLED 05,18,00,00 Module is seen missing in the sysconfig -a output Mini-SAS HD Type: Passive Copper (unequalized) 2m ID:01
    • E-Series reports The IOM update service recently encountered a failure
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_reports_The_IOM_update_service_recently_encountered_a_failure
      The IOM update service recently encountered a failure. The following entries are found in the web-server-trace-log, which can be found when downloading a support bundle. 2020-06-06 09:57:50,044 WARN [...The IOM update service recently encountered a failure. The following entries are found in the web-server-trace-log, which can be found when downloading a support bundle. 2020-06-06 09:57:50,044 WARN [IomUpdateManager-1-233] trace [IomUpdateManager.java:530] [requestId=0, deviceId=N/A] Tray 721945500115/0E500A098008479B900000000000000000000000: Error downloading IOM firmware 0240: The operation cannot complete because a download is already in progress.
    • How to perform an IOM removal/replacement
      https://kb.netapp.com/on-prem/E-Series/Hardware-KBs/How_to_perform_an_IOM_removal_replacement
      Applies to Add your text here. Description The video below describes the procedure to remove/replace an IOM in a DE460C enclosure.
    • Single disk bypassed by both IOM modules and critical shelf fault on one node
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Single_disk_bypassed_by_both_IOM_modules_and_critical_shelf_fault_on_one_node
      2 [Bay 2]: NOT INSTALLED 05,02,00,00 5 [Bay 5]: NOT INSTALLED 05,05,00,00 8 [Bay 8]: NOT INSTALLED 05,08,00,00 10 [Bay 10]: OK 01,0A,00,00 11 [Bay 11]: NOT INSTALLED 05,0B,00,00 14 [Bay 2]: NOT INSTAL...2 [Bay 2]: NOT INSTALLED 05,02,00,00 5 [Bay 5]: NOT INSTALLED 05,05,00,00 8 [Bay 8]: NOT INSTALLED 05,08,00,00 10 [Bay 10]: OK 01,0A,00,00 11 [Bay 11]: NOT INSTALLED 05,0B,00,00 14 [Bay 2]: NOT INSTALLED 05,02,00,00 22 [Bay 10]: OK 01,0A,00,00 23 [Bay 11]: NOT INSTALLED 05,0B,00,00 34 [Bay 10]: OK 01,0A,00,00 35 [Bay 11]: NOT INSTALLED 05,0B,00,00 46 [Bay 10]: OK 01,0A,00,00 47 [Bay 11]: NOT INSTALLED 05,0B,00,00 58 [Bay 10]: OK 01,0A,00,00 59 [Bay 11]: NOT INSTALLED 05,0B,00,00
    • IOM upgrade requires a cold swap
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/IOM_upgrade_requires_a_cold_swap
      This article describes the steps required for a cold-swap upgrade. When replacing the IOM module in a shelf with a different model it requires the following components to be powered off during the cha...This article describes the steps required for a cold-swap upgrade. When replacing the IOM module in a shelf with a different model it requires the following components to be powered off during the change: ALL nodes that connect to the impacted shelves. ALL ATTO bridges (if applicable) that connect to the impacted shelves. The shelves of which the IOM model will be changed. IOM3 to IOM6 IOM3 to IOM12* IOM6 to IOM12* *Be aware of SAS port differences between IOM3/IOM6 (QSFP) and IOM12 (MiniSAS-HD)
    • Drive Bypassed Causing Controller to Enter a Mixed-Path State
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Drive_Bypassed_Causing_Controller_to_Enter_a_Mixed-Path_State
      PHY/BAY STATE ON Cnt Cnt Cnt Count Count Count Prob Cnt Cnt Affiliation ::>system node run -node <nodename> -command sysconfig -a NetApp Release 9.5P2: Thu Mar 14 10:01:49 EDT 2019 System ID: 01234567...PHY/BAY STATE ON Cnt Cnt Cnt Count Count Count Prob Cnt Cnt Affiliation ::>system node run -node <nodename> -command sysconfig -a NetApp Release 9.5P2: Thu Mar 14 10:01:49 EDT 2019 System ID: 0123456789 (NODE-01); partner ID: 0123456788 (NODE-02) System Serial Number: 0123456789012 (NODE-01) System Rev: A4 System Storage Configuration: Mixed-Path ...
    • Shelf module fault error due to "Reference Clock Failure"
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Shelf_module_fault_error_due_to_Reference_Clock_Failure
      Shelf IOM hardware fault due to: reference clock failure. Wed Apr 20 21:56:35 EDT [Netapp-08: dsa_worker2: ses.status.ModuleError:critical]: DS4486 (S/N SHABC1234000789) shelf 2 on channel 0a SAS expa...Shelf IOM hardware fault due to: reference clock failure. Wed Apr 20 21:56:35 EDT [Netapp-08: dsa_worker2: ses.status.ModuleError:critical]: DS4486 (S/N SHABC1234000789) shelf 2 on channel 0a SAS expander error for SAS shelf electronics 1: critical status; Reference Clock Failure. This module is on the rear of the shelf at the top center, on shelf module A. Wed Apr 20 21:56:44 EDT [Netapp-08: statd: monitor.shelf.fault:critical]: Fault reported on disk storage shelf attached to channel 0a.