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CPU utilization above 50 percent before upgrading ONTAP

Last Updated:

Applies to

  • ONTAP 9
  • Digital Advisor
  • Upgrade Advisor
  • ONTAP Upgrades


  • Upgrade Advisor presents the storage admin with the following task as part of an ONTAP upgrade:
    • "Determine the CPU and disk utilization:

node run -node node_name -command sysstat -c 10 -x 3

  • You should monitor CPU and disk utilization for 30 seconds. The values in the CPU  and Disk Util  columns should not exceed 50% for all 10 measurements reported.
  • No additional load should be added to the cluster until the upgrade is complete."


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