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High HostOS CPU utilization due to problems with secd

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Category:
ontap-9
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perf
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Applies to

  • Clustered Data ONTAP 8.3
  • ONTAP 9

Issue

  • Sudden or gradual increase in CPU utilization
  • Unexplained and prolonged spikes in CPU utilization
  • Running sysstat -M shows utilization in HostOS domain compared to other domains
  • On each of the affected nodes, running set diag -c off; systemshell -node nodename ps aux, confirms secd is the top consumer of HostOS resources.
  • Higher than expected NAS Protocol latency
  • Authentication request timeouts may be present

 

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