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コールド階層からの読み取り中に大容量のファイルアクセスが低速化しています

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すべての使用可能なすべての使用可能なすべての使用可能な

環境

  • ONTAP 9

  • FlexPod

  • FabricPool

問題

  • 大きいファイルの読み取り速度が遅くなります。
  • qos statistics volume latency show クラウドレイヤからのレイテンシを表示 
 Cluster_01::> qos statistics volume latency show -volume Vol1 -vserver SVM1 Workload ID Latency Network Cluster Data Disk QoS Max QoS Min NVRAM Cloud FlexCache SM Sync --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- Vol1 566 250.20ms 55.00us 89.00us 76.00us 0ms 0ms 0ms 0ms 250ms 0ms 0ms 0ms Vol1 566 267.30ms 59.00us 96.00us 112.00us 0ms 0ms 0ms 0ms 267ms 0ms 0ms 0ms Vol1 566 184.10us 59.00us 97.00us 28.00us 0ms 0ms 0ms 0ms 183.20ms 0ms 0ms 0ms

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