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MGWD in a bootloop during ONTAP upgrade resulting in unresponsive node

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ontap-9
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core
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Applies to

  • Automated Non-Disruptive Upgrade (ANDU)
  • Upgrade from version prior to 9.11.1P12, 9.12.1P7, or 9.13.1P2

Issue

After updating the first node in HA pair, the update gets paused and the non-updated nodes gets stuck in an MGWD reboot loop:
 
The management gateway server restarted. Waiting to see if the connection can be reestablished...

The connection with the management gateway server has been reestablished.
If the root cause of the interruption was a process core, you can see the core file details by issuing the following command:
        system node coredump show -node local -type application -corename mgwd.* -instance
 

 

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