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利用率が80%を超えているFlexCache元のボリュームを特定- Active IQ健全性リスク

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Category:
ontap-9
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nas
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環境

  • ONTAP 9.15.1P1 以降
  • ライトバックが有効なFlexCache

リスクの概要

ライトバックがFlexCacheボリュームで有効になっていて、元のボリュームの使用率が80%を超えている場合、ONTAPではRW委譲が許可され、ライトバックが使用されなくなるため、パフォーマンスが低下します。 

 

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