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スイッチレスクラスタシステムでは、一方のノードのポートのみがデグレードと表示されています。

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Category:
fas-systems
Specialty:
HW
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環境

  • ONTAP 9
  • 2ノードスイッチレスクラスタ(TNSC)

問題

  • AutoSupportアラート
    HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT
  • EMS log では、いずれかのクラスタポートがdegraded 状態であることが示されています。

[vifmgr.reach.skipped:notice]: Network port e0d on node Node-01 was not scanned for reachability because it was administratively or operationally down at the time of the scan.
[vifmgr.port.monitor.failed:error]: The "link_flapping" health check for port e0d (node node-01) has failed. The port is operating in a degraded state.
[vifmgr.portDeg.lifMoved:notice]: LIF node-01_clus2 (on virtual server ****), IP address *****, is being moved to node node-01, port e0c from node node-01, 
port e0d because the port's health status is in a degraded state.

  • network port show コマンドの出力には、一方のノードのポートだけがdegraded 状態であることが示されています。
    パートナーノードの2つのクラスタポートの ステータスがどちらもhealthy

::> network port show
Node: Node-01
                          Speed(Mbps) Health
Port   IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0M     Default    Default      up   1500  auto/1000  healthy
e0a     Default    -         up   1500 auto/1000  healthy
e0b     Default    -         down 1500  auto/-    -
e0c     Cluster    Cluster      up   9000  auto/25000 healthy
e0d     Cluster    Cluster      up   9000  auto/25000 degraded
e2a     Default    -    down 1500  auto/-    -

Node: Node-02
                Speed(Mbps) Health
Port    IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0M     Default    Default      up   1500  auto/1000 healthy
e0a     Default    -         up   1500  auto/1000  healthy
e0b     Default    -         down 1500 auto/-    -
e0c     Cluster    Cluster      up   9000  auto/25000 healthy
e0d     Cluster    Cluster      up  9000  auto/25000 healthy
e2a     Default    -         down 1500  auto/-    -
e2b     Default    - down 1500  auto/-    -
14 entries were displayed.

  • 直接接続ケーブルをリセットしても、状況は改善されません。

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