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コントローラの交換後に HA ペア経由で FC LUN にアクセスできない

環境

  • ONTAP 9
  • FC
  • Windows Server

問題

コントローラの交換後に HA ペア経由で FC LUN にアクセスできない

  • Windows Server のイベントログには、次の内容が表示

mpio event 47

An error occurred while the system tried to claim a Multipath I/O (MPIO) path. The location of the failing path is described by the SCSI address (4, 0, 1, 0) (Port, Bus, Target, Lun). To resolve this issue, either reboot the system, or show hidden devices in Device Manager and try uninstalling the specific disk device indicated above, and then rescan for hardware changes.

  • MPIO LUN がない場合は認識されるが、別々のデバイスとして認識される(複数のディスク・エントリ)

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