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FCリンクの障害が原因で「ホスト側接続の冗長性が失われました」

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環境

  • NetApp Eシリーズ
  • ファイバ・チャネル接続

問題

  • システムによってアラートレポートが生成され、コントローラ のリブート後も保持されます。
Loss of host-side connection redundancy detected
  • エラー RECOVERY-GURU-PROCEDURES.HTML

ALB_HOST_REDUNDANCY_LOST-Recovery Failure Type Code: 475

  • エラー Major Event Logs PARSER

Loss of host-side connection redundancy detected - Host hostname <--CRITICAL

Volume not on preferred path due to AVT/RDAC failover - Shelf XX, Bay X <--CRITICAL

  • 一方のコントローラのポート0aおよび0bのFCリンクが停止しています。

Host interface:                  Fibre
         Host Interface Card(HIC):     Baseboard
         Channel:                      1
         Port:                        0a, 0a
         Current ID:                   Not applicable/0xFFFFFFFF
         Preferred ID:                 0/0xEF
         NL-Port ID:                   0xFFFFFF
         Maximum data rate:            16 Gbps
         Current data rate:            Not available
         Data rate control:            Auto
         Link status:                 Down

Host interface:                  Fibre
         Host Interface Card(HIC):     Baseboard
         Channel:                      2
         Port:                        0b, 0b
         Current ID:                   Not applicable/0xFFFFFFFF
         Preferred ID:                 1/0xE8
         NL-Port ID:                   0xFFFFFF
         Maximum data rate:            16 Gbps
         Current data rate:            Not available
         Data rate control:            Auto
         Link status:                 Down

  • 「Loss of host-side connection redundancy」エラーが表示される前は、ポート0a は稼働していました。

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