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一部のノードが両方のクラスタスイッチに接続されていません

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環境

  • MetroCluster
  • Cisco Nexus 
  • クラスタスイッチ  

問題

  • Ciscoスイッチを使用するMetroCluster IP構成では、スイッチへのすべての接続がオンラインであっても、次のHMアラートが表示されることがあります。

    Cluster-A::*> system health alert show
    Node: Node-A1
    Resource: Node-A1
    Severity: Major
    Indication Time: Mon May 10 17:59:20 2021
    Suppress: false
    Acknowledge: false
    Probable Cause: One or more nodes are not connected to both cluster switches.
    Possible Effect: If one cluster switch fails, "Node-A1" might lose
    access to the cluster.
    Corrective Actions: Verify that the switch "Switch_A1" is connected to the node "Node-A1".

  • デバイス検出出力に1つのスイッチがありません:  

    nac11::*> network cdp device-discovery show 
    Node/     Local  Discovered
    Protocol   Port   Device (LLDP: ChassisID)  Interface      Platform
    ----------- ------ ------------------------- ----------------  ----------------
    Node-01   /cdp
           e0a   nac11cs-ccgi-p01(FOC12345HD)
                           Ethernet1/2     N3K-C3232C
           e0b   nac11cs-ccgi-p01(FOC12345HD)                
                           Ethernet1/10    N3K-C3232C    
    ~
    node-02  /cdp
           e0a   nac11cs-ccgi-p01(FOC12345HD)
                           Ethernet1/1     N3K-C3232C
           e0b   nac11cs-ccgi-p01(FOC12345HD)
                           Ethernet1/9 
                                     N3K-C3232C

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