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ESXiホストでデータストアからの切断が頻繁に報告され、vMotionが停止しています

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Category:
ontap-9
Specialty:
perf
Last Updated:

環境

  • ONTAP 9
  • ESXi
  • iSCSI

問題

  • ESXiホストのクラスタで、データストアとの接続が頻繁に切断されているという報告が寄せられています
  • Vmotionが停止しており、データコピーが進行していません。
  • VMKernel.log :
2023-02-02T12:10:36.574Z cpu14:2097909)WARNING: ScsiDeviceIO: 1596: Device naa.xxx performance has deteriorated. I/O latency increased from average value of 11252 microseconds to 227332 microseconds.
2023-02-02T12:10:37.995Z cpu34:2097929)WARNING: ScsiDeviceIO: 1596: Device naa.xxx performance has deteriorated. I/O latency increased from average value of 11252 microseconds to 476375 microseconds.

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