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All Versions of a failure to create MainView History DataSets.
Do you know what needs to be done to have Mainview maintain history data?
It seems that we only have the online data, if I need to check something that happened 15 minutes ago, Mainview says that there is no data to show.
Scratch, reallocate and increase the History Data-Set from XX Cyls to at least 500 Cyls. Once Data-Set is created, using the DSLIST panels follow the process to ADD the Data-Set. After the interval period the active history data set changes to the newly added one.