ソフトウェアのアップグレード後にFTDクラスタデータノードがクラスタに参加できない場合のトラブルシューティング

お問い合わせ内容

ソフトウェアのアップグレード後、Secure Firewall Threat Defense(FTD)クラスタデータノードがクラスタへの参加に失敗します。確認された症状は次のとおりです。

1.show cluster historyの出力に、「Configuration replication failed」エラーメッセージが表示され、ユニットの状態がDATA_NODE_CONFIGからDISABLEDに変わります。 

> show cluster history
…

09:52:55 UTC May 8 2026
DISABLED              ELECTION              Enabled from CLI

09:52:55 UTC May 8 2026
ELECTION              ONCALL                Event: Cluster unit unit-1-1 state
                                            is CONTROL_NODE

09:52:55 UTC May 8 2026
ONCALL                DATA_NODE_COLD        Received cluster control message

09:52:55 UTC May 8 2026
DATA_NODE_COLD        DATA_NODE_APP_SYNC    Client progression done

09:54:39 UTC May 8 2026
DATA_NODE_APP_SYNC    DATA_NODE_CONFIG      Data node application configuration sync done

09:54:53 UTC May 8 2026
DATA_NODE_CONFIG      DISABLED              Configuration replication failed

2. ファイル/mnt/disk0/cluster_trace.log*には、keyコマンドの設定複製の失敗と、クラスタのDISABLED状態への移行に関連するメッセージが含まれています。

May 08 09:54:50.538 [INFO]start to monitor Port-channel47
May 08 09:54:50.538 [DBUG]Send CCP message to all: CCP_MSG_HWIDB_STATE
May 08 09:54:50.568 [INFO]start to monitor Ethernet1/5
May 08 09:54:50.568 [DBUG]Send CCP message to all: CCP_MSG_HWIDB_STATE
May 08 09:54:50.738 [CRIT]Config syncing failure: context single_vf, line 1027, CLI " key >".
May 08 09:54:50.748 [DBUG]Send event (PROGRESSION_FAILURE, n/a, n/a, 94350991600520) to FSM. Current state DATA_NODE_CONFIG
May 08 09:54:50.748 [INFO]cluster_fsm_disable: The clustering re-enable timer is stopped.
May 08 09:54:50.748 [DBUG]Send CCP message to all: CCP_MSG_QUIT from unit-2-1 for reason CLUSTER_QUIT_REASON_RETIREMENT
May 08 09:54:50.748 [DBUG]Send event (CONTROL_NODE_GONE, n/a, n/a, 94350991600224) to FSM. Current state DISABLED

2026-05-08 09:49:51 Detected Cluster Control Node.
2026-05-08 09:50:01 Beginning configuration replication from Control Node.
…
2026-05-08 09:50:02 livecore enabled
2026-05-08 09:50:02 ........................
2026-05-08 09:50:02  key 
2026-05-08 09:50:02      ^
2026-05-08 09:50:02 ERROR: % Input should be less than 64 characters at '^' marker.
2026-05-08 09:50:02 *** Output from config line 1027, " key ..."
2026-05-08 09:50:02
2026-05-08 09:50:02 Failed configuration replication from Control Node.
2026-05-08 09:50:02 Cluster disable is performing cleanup..done.
2026-05-08 09:50:04 Unit unit-2-1 is quitting due to system failure for 3 time(s) (last failure is Internal clustering error). Rejoin will be attempted after 20 minutes.