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ONTAP のアップグレード中にLUNが読み取り専用(RO)状態になりました

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環境

  • Linux
  • ONTAP 9.xのリリースを参照してください

問題

  • ONTAP のアップグレード中にFC LUNが読み取り専用(RO)状態になりました
  • LUNはオンラインでマッピングされており、EMSログに誤ったイベントは記録されていません
  • スイッチのログは、問題 タイムスタンプ中にエラーを報告しませんでした
  • 以下のイベントは、問題 タイムスタンプ時にホスト側で観察されました

Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=8s
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] CDB: Write(10) 2a 00 03 7d 6a c0 00 00 08 00
Apr 1 11:42:55 tokdhso2p3a kernel: blk_update_request: I/O error, dev sdaw, sector 58550976
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=6s
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] CDB: Write(10) 2a 00 04 42 a4 50 00 00 08 00
Apr 1 11:42:55 tokdhso2p3a kernel: blk_update_request: I/O error, dev sdaw, sector 71476304
Apr 1 11:42:55 tokdhso2p3a kernel: sd 3:0:0:10: [sdaw] FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK cmd_age=8s
DID_NO_CONNECT: no link/cable transport connectivity exists to the specified device, unable to send io request.

  • sdaw デバイスがカーネル設定内に存在している間はステータスが返されますが、ターゲットデバイスにコマンドを送信するための転送リンクまたは接続がありません

 

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