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PI Events from backfilled analysis getting automatically deleted?

Question asked by Jeck on Aug 14, 2018
Latest reply on Aug 16, 2018 by Jeck

Hi, so i've created pi points that store time values for them to reflect on a PI Vision Display:

 

Start of Year - basically start of the year date

Month = Month('*')

Year = Year('*')

 

Quite simple enough. What i've encountered however is after Backfilling ('*-3y' to '*') and checking the values in SMT, they reflect BUT after a while, i check again and the events beyond a 1yr span (outside of Aug2017-aug-2018) get deleted for the tags above. I have no idea what's happening here. Can someone help me?

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