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クォータが有効なボリュームで観察された高レイテンシ

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Category:
ontap-9
Specialty:
perf
Last Updated:

環境

  • ONTAP 9
  • クォータ

問題

  • クォータが有効なボリュームで書き込みまたはその他のレイテンシが高くなっています。
  • 影響を受けたボリュームをホストしているノードでAIQUMのCPU利用率が短時間100%と報告され ますが、CLIのsysstatコマンドには表示されません。
  • VDI環境でホストされているユーザーは、ログインが遅く、ログオン時に画面が空白になると報告します。
  • クォータ超過イベントを示すEMSメッセージ:
[node1: wafl_exempt13: quota.exceeded:debug]: params: {'ltype': 'hard', 'limit_value': '1024000', [node1: wafl_exempt02: wafl.quota.userQtree.exceeded.win:notice]: tid 2: disk quota exceeded on volume Additional warnings will be suppressed for approximately 60 minutes or until a 'quota resize' is performed.

 

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