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ONTAP をアップグレードすると、パフォーマンスが低下し、ディスクの使用率が高くなります

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Category:
ontap-9
Specialty:
perf<a>2009068000</a><a>(翻訳用</a>
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環境

  • FASシステム
  • ONTAP
  • FlashCache

問題

  • ONTAP アップグレード後のディスクレイテンシが高くなります
  • ノードが数日から数週間オンラインになっても、レイテンシは向上しません
  • ディスク利用率が以前よりも高く、100%ビジー状態になっています
  • 読み取りではFlashCacheが使用されません

 

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