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E シリーズと IBM GPFS クラスタにはパフォーマンスの問題があります

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のしんだ

に適用されます

  • NetApp Eシリーズ
  • GPFSクラスタ
  • Linux DM-MP(カーネル 3.9 以前)

問題

  • IBM GPFS クラスタ全体で、 2 つの LUN がパフォーマンスを大幅に低下させています
  • LUN がクラスタに戻されるたびに、コントローラ A に複数の例外(パニック / クラッシュ)が発生しました
  • この状況の副次的な影響もエラーでした volume not on preferred path ( VNOPP )

 

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