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FAS2820:10Gbpsのネットワーク速度問題の解決

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環境

  • FAS2820
  • CiscoN3K-C3172TQ-10GT スイッチ
  • ONTAP 9

問題

  • Cisco N3K-C3172TQ-10GTスイッチに接続した場合、10Gbpsのネットワーク ポートはわずか1Gbpsで動作します。
  • 初期接続ではe1cポートは10Gbpsでした。
    ケーブルを再接続すると、速度は1Gbpsに低下しました。
    他のすべてのポート(e1a、e1b、e1c、e1d)も1Gbpsを示しています。

::> port show
 Node: Node-01
        Speed(Mbps) Health
 Port    IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
 --------- ------------ ---------------- ---- ---- ----------- --------
 a11l    Default    Datastore     up   1500    -/-    healthy
 e0M     Default    Default      up   1500  auto/1000  healthy
 e0a     Cluster    Cluster      up   9000  auto/25000 healthy
 e0b     Cluster    Cluster      up   9000  auto/25000 healthy
 e1a     Default    Service      up   1500  auto/1000 healthy
 e1b     Default    CAE        up   1500  auto/1000  healthy
 e1c     Default    -         up   1500 auto/1000 healthy 
 e1d     Default    -         up   1500 auto/1000 healthy
 Node: Node-02
                 Speed(Mbps) Health
 Port    IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
 --------- ------------ ---------------- ---- ---- ----------- --------
 a21l    Default    Datastore     up   1500    -/- healthy
 e0M     Default    Default      up   1500  auto/1000  healthy
 e0a     Cluster    Cluster      up   9000  auto/25000 healthy
 e0b     Cluster    Cluster      up   9000  auto/25000 healthy
 e1a     Default    Service      up   1500  auto/1000 healthy
 e1b     Default    CAE        up   1500  auto/1000 healthy
 e1c     Default    -         up   1500  auto/1000 healthy
 e1d     Default    -         up   1500  auto/1000 healthy
 16 entries were displayed.

  • 関連するネットワーク インターフェイスのsysconfig-a ログにも1Gbpsのネットワーク速度が記録されています。

slot 1: 1/10 Gigabit Ethernet Controller IX4-T
 e1c MAC Address:   d0:39:ea:d4:16:** (auto-1000t-fd-up)
 e1d MAC Address:   d0:39:ea:d4:16:** (auto-1000t-fd-up)
 e1a MAC Address:   d0:39:ea:d4:16:** (auto-1000t-fd-up)
 e1b MAC Address:   d0:39:ea:d4:16:** (auto-1000t-fd-up)
 Device Type:     X550(0x1563) (BSD99) rev1
 Firmware Version:   2.20-0.1 etid 8000174d 
 Part Number:     110-00751   
 Hardware Revision:  A0

  • 両方のノードのe1bポート間の直接接続により、10Gbpsの速度が得られました。

::> port show
 Node: Node-01
        Speed(Mbps) Health
 Port    IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
 --------- ------------ ---------------- ---- ---- ----------- --------
 a11l    Default    Datastore     up   1500    -/-    healthy
 e0M     Default    Default      up   1500  auto/1000  healthy
 e0a     Cluster    Cluster      up   9000  auto/25000 healthy
 e0b     Cluster    Cluster      up   9000  auto/25000 healthy
 e1a     Default    Service      up   1500  auto/1000 healthy
 e1b     Default    CAE        up   1500  auto/10000  healthy
 e1c     Default    -         up   1500 auto/1000 healthy 
 e1d     Default    -         up   1500 auto/1000 healthy
 Node: Node-02
                 Speed(Mbps) Health
 Port    IPspace    Broadcast Domain Link MTU  Admin/Oper  Status
 --------- ------------ ---------------- ---- ---- ----------- --------
 a21l    Default    Datastore     up   1500    -/- healthy
 e0M     Default    Default      up   1500  auto/1000  healthy
 e0a     Cluster    Cluster      up   9000  auto/25000 healthy
 e0b     Cluster    Cluster      up   9000  auto/25000 healthy
 e1a     Default    Service      up   1500  auto/1000 healthy
 e1b     Default    CAE        up   1500  auto/10000 healthy
 e1c     Default    -         up   1500  auto/1000 healthy
 e1d     Default    -         up   1500  auto/1000 healthy
 16 entries were displayed.

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