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MetroCluster IP chassis temperature shutdown with no MAUSO

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Applies to

  • MetroCluster IP
  • ONTAP Mediator
  • ONTAP 9.12.1 (and earlier)
  • CHASSIS OVER TEMPERATURE SHUTDOWN AutoSupport received
  • CHASSIS UNDER TEMPERATURE SHUTDOWN AutoSupport received
  • Mediator assisted Automatic Unplanned SwitchOver (MAUSO)

Issue

  • MetroCluster IP nodes in one site shut down due to chassis over/under temperature
  • Mediator assisted Automatic Unplanned SwitchOver (MAUSO) does not take place:

::> metrocluster operation show
Operation: switchover
State: failed
Start Time: mm/dd/yyyy
End Time: mm/dd/yyyy

Errors: Failed to validate the node and cluster components before the switchover operation.
Cluster1::node-01 (non-overridable veto): Automatic Unplanned Switchover could not be performed 
as one of the prechecks failed. Run "event log show -message mcc.auso.trigFailed" to view the errors that occurred. 
Verify Automatic Unplanned Switchover is enabled on both nodes by using the "metrocluster node show" command. 
Use the "metrocluster switchover -forced-on-disaster true" command to switchover the DR-site storage manually.

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