メインコンテンツまでスキップ

EシリーズとIBM GPFSクラスタにはパフォーマンス問題が搭載されています。

環境

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

問題

  • 2つのLUNがIBM GPFSクラスタ全体でパフォーマンスの大幅な低下を引き起こしている
  • LUNがクラスタに戻るたびにコントローラAで複数の例外(パニック/クラッシュ)が発生
  • この状況の副作用も間違いでした volume not on preferred path ( VNOPP )

 

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