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ASA-r2 system reports failover disable due to dirty shutdown

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ontap-9
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HW
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Applies to

  • ASA-A20
  • ONTAP 9

Issue

  • A dirty shutdown occurred and after the node boot failover disabled:

 ::> storage failover show
                                Takeover
                                   by
  Node           Partner        Possible State Description
  -------------- -------------- -------- --------------------------------------
  node01         node02         false    Connected to node02, Takeover is
                                         not possible: NVRAM log not
                                         synchronized
  node02         node01         false    Connected to node01, Takeover is
                                         not possible: NVRAM log not
                                         synchronized
  2 entries were displayed.

or

                              Takeover                                       
                                 by                                          
Node           Partner        Possible State Description                     
-------------- -------------- -------- --------------------------------------
node01         node02          -        Kernel loaded
node02         node01          false    Connected to node01, Takeover is
                                       not possible: Failover partner node
                                       is starting up, NVRAM log not
                                       synchronized

  • During boot after dirty shutdown the node may panic reboot:

PANIC: NVRAM contents are invalid...   in SK process ontapx_fa_boot on release 9.18.1P1

[node02:raid.vol.reparity.issue:notice]: Aggregate storage_availability_zone_0 has invalid NVRAM contents.

  • NO recovery dirty flag found from printenv

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