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MetroCluster IP takeover not possible due to partner unknown

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metrocluster
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Applies to

  • ONTAP 9
  • MetroCluster IP

Issue

  • HA failver not possible with error: 

Cluster::> storage failover show
                              Takeover
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
Node-01         Node2-02        false  Waiting for Node-02, Takeover
                                       is not possible: Storage failover
                                       interconnect error, NVRAM log not
                                       synchronized, Disk inventory not exchanged
Node-02         Node-01         false  Waiting for Node-01, Takeover
                                       is not possible: Storage failover
                                       interconnect error, NVRAM log not synchronized

  • ONTAP event log reporting:
[localhost:monitor.globalStatus.critical:EMERGENCY]: Controller failover partner unknown. Controller failover not possible.
  • sysconfig -a on one of the nodes reporting partner ID as an unknown value (0):

System ID: 0xxxxxxxxx (Node-01); partner ID: 00000000 ()

 

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