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ノードの制限により、AWS CVOのレイテンシが高く、ディスク利用率が100%になっています

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環境

  • ONTAP 9
  • Amazon Web Services ( AWS )向けの Cloud Volumes ONTAP ( CVO )

問題

  • ONTAP はディスクから高レイテンシを報告します
    • 例: qos statistics volume latency show ディスク列にレイテンシが高くなっています
Cluster::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 8.88ms 2.82ms 1.00us 1032.00us 5.02ms 0ms 2.00us 0ms citrix_home1-.. 6762 137.73ms 1.91ms 1.00us 22.93ms 112.89ms 0ms 0ms 0ms citrix_profi-.. 26764 133.29ms 1.82ms 0ms 2.84ms 128.62ms 0ms 0ms 0ms citrix_home2-.. 18527 78.48ms 1.96ms 0ms 7.69ms 68.83ms 0ms 0ms 0ms citrix_home3-.. 33649 50.51ms 239.00us 0ms 995.00us 49.28ms 0ms 0ms 0ms
  • 監視ソフトウェアでは、Active IQ Unified Manager またはHarvestの集計ビューなど、利用率が高いことが示される場合があります。

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