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ESXi events report Lost access to volume

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • VMware ESXi

Issue

  • ESXi events report Lost access to volume.

lost access.png

  • VMKernel log reports I/O latency.

2023-02-04T16:32:54.009Z cpu18:2098385)WARNING: ScsiDeviceIO: 1565: Device xxxxxxxxxxxxxxxx performance has deteriorated. I/O latency increased from average value of 19990 microseconds to 2530867 microseconds.

  • EMS reports lots of SCSI error on single disk.

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