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ボリュームで優先度が下がったストレージ効率

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Category:
ontap-9
Specialty:
CORE
Last Updated:

環境

  • ONTAP 9.3以降
  • All Flash FAS(AFF)
  • ボリュームレベルの自動バックグラウンド重複排除

問題

  • プラットフォーム上の大規模ボリュームでStorage Efficiencyの優先度が解除されました
  • ボリューム効率化を有効にしたあとにスペース削減効果が期待どおりにならない
  • アラーム受信:

There are volumes that are >15TB's in size which have efficiency savings deprioritised
Triggered Alarm: There are volumes that are >15TB's in size which have efficiency savings deprioritised - warning
Alarm Description: “Volume vol1 in SVM1 is deprioritised and the size of volume is 110T”

  • SISログ:

Mon Feb 27 13:06:31 CST 2023 [Vserver UUID: 42453882-d02c-11e8-8927-xxxxxx] /vol/volume_name [sid: 0] Info (ADS: Volume is deprioritized due to less savings)
Mon Feb 27 13:06:31 CST 2023 [Vserver UUID: 42453882-d02c-11e8-8927-xxxxxx] /vol/volume_name [sid: 0] Info (Dense auto-state was changed from "Change log enabled" to "Deprioritized".)

 

 

 

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