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High LUN read latencies for SAP HANA environment

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162
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0
Category:
aff-series
Specialty:
perf
Last Updated:

Applies to

  • ONTAP
  • VMware
  • SAP HANA

Issue

  • Primarily during backup schedule extremely large IO read latency is observed for several minutes.
  • Viewing performance archive in Active IQ PAS > Workload Graph View > Workload Latency Breakdown , we see CPU D-Blade and Disk IO with higher than normal latency similar to the LUN latency values.

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