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CONTAP-448664: QoS 調整と SCSI 中止レースによりノードの中断が発生する

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ontap-9
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問題

QoSを使用したiSCSI/FCP(NAS impact has also been reported)アクセス制御では、要求がQoSで処理されているのと同時に、QoS control pointに対する最後の要求がiSCSI/FCP hostによって中止されている場合、システムパニックが発生することがあります。
影響を受けた場合、次のようなパニック文字列が表示されることがあります:

  • process on cpu16 hung (repl_Handle_reg) for 5007 milliseconds! in SK process repl_Handle_reg on release 9.16.1P3 (C)

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