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Node does not boot due to disk reservation conflict during MetroCluster IP setup

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metrocluster
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Applies to

  • MetroCluster IP installation
  • ONTAP 9.8
  • Node reboot 

Issue

  • After a reboot during MetroCluster IP installation one of the nodes in the HA pair doesn't boot due to: 

    Reservation conflict found on this node's disks!
  • HA partner is Waiting for partner node to recover: 
    Cluster::> storage failover show
      (storage failover show)
                                  Takeover          
    Node           Partner        Possible State Description  
    -------------- -------------- -------- -------------------------------------
     NodeA_1           NodeA_2             false    Connected to LK2ClusterNetapp-04,
                                            Takeover is not possible: Waiting
                                           for partner node to recover, Disk
                                           inventory not exchanged
    NodeA_2             NodeA_1                 -        Waiting for reservations to clear
  • Event log from the up node is showing release reservation messages:  
    [sanown_io: diskown.releasingMismatchedReservation:notice]: reservation process is releasing reservation on disk

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