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高遅延 QoS最小スループットによる

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Category:
ontap-9
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perf
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環境

  • ONTAP 9
  • Quality of Service(QoS)
  • アダプティブQoS(AQoS)

問題

  • 1日の特定の時間帯に高いボリュームレイテンシが観測される
  • QOS-POLICY-GROUP.XML および VOLUME.XML  により、ボリュームがQoS最小スループット設定が適用されたQoSポリシーグループに属していることが確認されます。 
  • 以下のEMSメッセージが表示される場合があります:

qos.VioDet.Mintput.Throttle: QoS min-throughput feature has started throttling requests for node: "NODE" with uuid: "UUID".

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