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VMware ESXi での NFS APD の問題のトラブルシューティング方法

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ontap-9
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nfs
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環境

  • ONTAP 9
  • VMware ESXi

説明

  • All paths Down ( APD )タイマーは、特定の TCP ストリーム上でコマンドを実行せずに 5 秒間経過した時点で起動します
  • 140 秒が経過した時点で接続は失われ、 APD Timeout に達したとみなされます
    • VMware ログには、次のようなエラーが表示されますが、これらに限定されません。

YYYY-MM-DD T00:26:51.504Z: [APDCorrelator] xxxxxxxxxxxxxus: [esx.problem.storage.apd.timeout] Device or filesystem with identifier [xxxxxxxx-xxxxxxxx] has entered the All Paths Down Timeout state after being in the All Paths Down state for 140 seconds. I/Os will now be fast failed.

NFSLock: 608: Stop accessing fd 0x410011446d28  3
NFS: 133: Lost connection to the server 192.168.0.1 mount point /vol/datastore, mounted as xxxxxxxxx-xxxxxxxx-0000-000000000000 (“datastore”)

StorageApdHandler: 248: APD Timer started for ident [xxxxxxxx-xxxxxxxx]
StorageApdHandler: 846: APD Start for ident [xxxxxxxx-xxxxxxxx]!
StorageApdHandler: 277: APD Timer killed for ident [xxxxxxxx-xxxxxxxx]
StorageApdHandler: 902: APD Exit

 

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