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Controller Unresponsive During ONTAP Upgrade on ASA-A30

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asa-r2
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hw
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Applies to

  • NetApp ASA-A30
  • ONTAP upgrade from 9.16P3 to 9.17P7

Issue

After upgrading ONTAP from 9.16P3 to 9.17P7, one controller (Node-01) became unresponsive and was not accessible via Service Processor (SP) or serial console. The system showed no BIOS or POST (Power-On Self Test) activity, and the following log entries were observed:

[Node-01:vifmgr.clus.linkdown:EMERGENCY]: The cluster port e4a on node Node-01 has gone down unexpectedly.
[Node-01:vifmgr.clus.linkdown:EMERGENCY]: The cluster port e4b on node Node-01 has gone down unexpectedly.
[Node-01:monitor.globalStatus.critical:EMERGENCY]: This node has taken over Node-02.
[Node-01:monitor.globalStatus.critical:EMERGENCY]: Controller failover of Node-02 is not possible: version mismatch.

Symptoms:

  • No output on console or SP after upgrade.
  • Controller does not reach loader prompt.
  • BMC responds to power on/off but BIOS does not start.
  • System is not in production, no user impact at the time.

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