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“cf.hwassist.missedKeepAlive” alert observed after BMC firmware update on AFF C30

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Applies to

  • AFF C30
  • ONTAP 9
  • BMC firmware update from 19.1 to 19.3

Issue

  • cf.hwassist.missedKeepAlive alert triggered during BMC firmware update.

12/22/2025 18:42:44 node-01 ERROR cf.hwassist.missedKeepAlive: HW-assisted takeover missing keep-alive messages from HA partner (node-02).
12/22/2025 18:27:57 node-02 ERROR cf.hwassist.missedKeepAlive: HW-assisted takeover missing keep-alive messages from HA partner (node-01).

  • Status check using storage failover hwassist show command indicates healthy status.

  ::> storage failover hwassist show
  Node
  -----------------
  node-01
         Partner: node-02
                      Hwassist Enabled: true
                           Hwassist IP: 10.23.45.67
                  Hwassist Port: 4444
                      Monitor Status: active
                     Inactive Reason: -
          Corrective Action: -
                       Keep-Alive Status: healthy
  node-02
                               Partner: node-01
                      Hwassist Enabled: true
                           Hwassist IP: 10.23.45.68
           Hwassist Port: 4444
                      Monitor Status: active
                     Inactive Reason: -
           Corrective Action: -
                       Keep-Alive Status: healthy
  2 entries were displayed.

  • The IP address of hwassist is the node management LIF IP and uses the e0M port.

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