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RAIDスクラビングの実行時にMCCパフォーマンスが低下する

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Category:
ontap-9
Specialty:
perf<a>2009008795</a>
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環境

  • ONTAP 9
  • MCC

問題

  • MCC 環境で RAID スクラビングを実行しているとレイテンシが増加する。
  • レイテンシの増加は、によるものです
    • ディスクレイヤを直接設定します
    • または、ビジー状態のディスクがBack to Back(B/b)CPSにつながるときのWAFL SUSP CPです
  • ローカルプレックスのフロントエンド IO とディスク IO は安定した状態です

 

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