The DiskEvents macro report is based on event codes 033-11036-00, 033-11038-00, and 033-11094-00.
For a complete description of this event, see “Parallel Database Extensions (PDE) Messages” in Teradata Vantage™ - Database Messages, B035-1096.
You can also use a SELECT query to view events in the DBC.SW_Event_Log (see “Determining Contents of the DBC.SW_Event_Log” ).