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Very High Latency causing VDI crashes

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Category:
ontap-9
Specialty:
perf
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Applies to

  • ONTAP 9
  • NFSv3
  • VMware ESXi hosts

Issue

  • VDI virtual machines are crashing, rebooting, or getting stuck
  • Moving LIFs between nodes and rebooting one node without improvement
  • Slow response times when pinging the storage from the ESXi
  • QoS Statistics show constant Network latency above 40ms
  • Impacted Nodes showing higher CPU utilization above Peak Performance
  • Impacted workloads showing constant CPU N-Blade latency above 30ms

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