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ディスク使用率が高くなり、アプリケーションがフリーズする

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ontap-9
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perf
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環境

  • ONTAP 9
  • NetApp FASおよびAFFシステム
  • 高負荷ドライブワークロードを使用するアプリケーション

問題

  • 影響を受けたボリュームにアクセス中にアプリケーションがフリーズしました。
  • 影響を受けたボリュームのレイテンシが高すぎます。
  • EMSエラー： wafl.zombie.susp.aggr.limit:notice]: WAFL(R) aggregate aggr1 is experiencing zombie throttling possibly due to requests for large number of file deletions.

 

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