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Status Declined
Categories Analytics & Calculations
Created by Guest
Created on Aug 20, 2022

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Auto-Regroup PI Analytics

Behind the scenes, Analytics groups calculations during startup of the PI Analysis service.  However, after startup, sometimes an Analysis 'falls' out of a group and cannot be added back.  This returns the error message, "Failed to insert calculation to a group due to inconsistent internal state." when Disabling/Re-enabling the calculation. Although this can be fixed by restarting the PI Analysis service, it can cause a disruption for all AF Databases on the system, not just the one with the error.  This results in hours of backfilling and startup for large PI Analysis systems. Provide the means to regroup calculations manually or automatically in PI System Explorer (Management tab) by AF Database without restarting the PI Analysis service.  Ideally, this should be done automatically when such an error occurs.
  • ADMIN RESPONSE
    Aug 20, 2022
    I have consulted with the development team and we think that the AF 2018 release and the associated changes under the hood for how we handle analyses dependencies should greatly alleviate this problem. If you continue to run into this issue, please open a case with tech support so we can troubleshoot the problem. Lastly, User Voice is used by OSIsoft for feature enhancement requests. In this particular case, this is actual a bug. As such, tech support is a much better methodology to resolve this issue.
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