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E シリーズのアラートで、複数の SAS エラーがデグレードしました

環境

NetApp Eシリーズ

問題

  • アレイで、ドライブチャネルやポートなど、複数のコンポーネントについてのSAS関連のいくつかの重大イベントが報告されます。

E-Series Notification (An IOM (ESM) has reported an exception event) WARNING
E-Series Notification (Drive channel set to Degraded) CRITICAL
E-Series Notification (Controller wide port has gone to failed state) CRITICAL
E-Series Notification (Drive channel set to Degraded) CRITICAL
E-Series Notification (Controller redundancy lost) CRITICAL
E-Series Notification (Drive tray path redundancy lost) CRITICAL

  • IOMのLEDはオレンジで点灯。
  • システムはデグレード状態で、書き込みキャッシュは無効になっています。

次に例を示します。

Degraded drive paths:
Channel: 2
Related drives (Shelf, Bay): (0, 2)

Storage array:
Port reporting problem:
Drive shelf 0, IOM: B (Right), Port: Port 2
Status: SAS Port Degraded

Degraded drive channel: 2

Port reporting problem:
Controller B, Internal connection
Status: SAS Port Degraded

 

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