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Takeover is not possible after controller upgrade

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ontap-9
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core
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Applies to

  • ONTAP 9
  • Controller hardware upgrade (head swap)

Issue

  • Controller upgrade (head swap) to new hardware platform completed (both nodes)
  • Both nodes successfully upgraded, cluster applications online, but after bringing second node up, storage failover show indicates error:
CLUSTER::*> storage failover show
                              Takeover
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
FAS01          FAS02          false    Waiting for FAS02, Takeover
                                       is not possible: Storage failover
                                       mailbox disk state is invalid,
                                       Storage failover is disabled on the
                                       partner node, Storage failover
                                       interconnect error, NVRAM log not
                                       synchronized, Disk inventory not
                                       exchanged
FAS02          FAS01          false    Waiting for FAS01, Takeover
                                       is not possible: Storage failover
                                       interconnect error, NVRAM log not
                                       synchronized, Disk inventory not
                                       exchanged

 

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