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How to collect performance data when Perfstat8 fails by using preset files and manual data collection

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data-ontap-8
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perf
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Applies to

  • ONTAP 9.4 or older
  • Clustered Data ONTAP 8.3
  • Data ONTAP 8 7-mode

Description

  • This article is intended to be used only if Perfstat8 is failing to collect performance data.
    • Note:
      • Performance archives are the primary collection method of performance data on Clustered Data ONTAP 8.3 or higher.
      • Perfstat8 should only be collected on Data ONTAP 8.2 or if directed by Support, and perfstat7 for Data ONTAP 8 7-mode.
      • See the perfstat omnibus for download links and directions for your operating system.
  • Perfstat8 can have issues collecting against a cluster with one or more nodes under CPU pressure or due to network issues.
    • This can result in failed Perfstats or Perfstats with partial data, primarily missing the stats * outputs.
    • Errors may be seen similar to below:

    [03-24-2016 23:03:00]   ERROR 192.168.1.1   Error in sending command to the controller
    [03-24-2016 23:09:45]   ERROR 192.168.1.1   No activity for more than 5 minutes. Giving up...
    
    [06-23-2016 10:32:23]   ERROR   192.168.1.1   Error in sending command to the controller
    [06-23-2016 10:32:23]   ERROR   192.168.1.1   Lost SSH connection. Reconnecting...

 

 

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