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Performance Troubleshooting in Data ONTAP 7-Mode systems

Applies to

  • Data ONTAP 8 7-Mode
  • Data ONTAP 8.1 7-Mode
  • Data ONTAP 8.2 7-Mode


QoS is not available in Data ONTAP 7-Mode systems; however, you can still collect some CLI data to review your current issue. Before you get into reviewing data, here are some common areas that might be beneficial:\n

If none of these are applicable to your situation, call NetApp Support and open a support case. The following will help in case resolution:
  • Detailed information regarding the issue at hand
  • Shares, volumes, and nodes affected, and time stamps of when the issue occurred.
  • Any error messages encountered, and where they were seen.
  • Is the issue reproducible, random, or constant?
  • When did the issue begin, and has anything in the environment changed recently?
  • An example of a good problem statement:
    • "We are having an issue with increased read latency on volume XYZ at 9 am this morning. Previously, we saw 10ms, and now we see 40ms. This is impacting our main business application and causing us to lose revenue"
If you are using a version of Data ONTAP earlier than 8.3, collect a Perfstat while the issue is occurring:

Additional Information