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内部インターコネクトを使用するノードのHAリンクが停止している

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環境

  • AFF A220
  • AFF A150
  • FAS 27XX
  • HA(ハイアベイラビリティ)インターコネクト

問題

  • HAインターコネクトはミッドプレーンを経由しており、 イベントログでリンクが 停止していると報告されます。

Sat Oct 23 21:35:49 +0200 [node: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic0a link is down.
Sat Oct 23 21:35:49 +0200 [node: ctrl_hb_port_ic0a: ctrl.rdma.heartBeat:info]: HA interconnect: Missed heartbeat to 192.0.1.5.
Sat Oct 23 21:36:13 +0200 [node: cfdisk_config: cf.diskinventory.sendFailed:debug]: params: {'errorCode': '0', 'reason': 'HA Interconnect down'}

  • HAリンクがフラッピングする場合もあります。
  • クラスタHAが無効になっている場合:

Cluster::> cluster ha show
 
High-Availability Configured: false
High-Availability Backend Configured (MBX): -

Warning: Cluster HA has not been configured.  Cluster HA must be configured
     on a two-node cluster to ensure data access availability in the
     event of storage failover. Use the "cluster ha modify -configured
     true" command to configure cluster HA.

  • HAを設定しようとすると、次のエラーが表示されて失敗します。

Cluster::> cluster ha modify -configured true

Warning: High Availability (HA) configuration for cluster services requires
     that both SFO storage failover and SFO auto-giveback be enabled. These
     actions will be performed if necessary.
Do you want to continue? {y|n}: y

Error: command failed: Could not retrieve partner SFO information: entry
    doesn't exist.

  • 両方のノードでリンクがdownと報告されます。

Cluster::*> system ha interconnect status show

            Node: Node-01
         Link Status: down
     IC RDMA Connection: down

            Node: Node-02
         Link Status: down
     IC RDMA Connection: down
2 entries were displayed.

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