1. Understanding Installation Considerations : Use of Ingres Locations : Location Use During Normal Operations
 
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Location Use During Normal Operations
During normal operations, all locations except II_CHECKPOINT must be accessible. The busiest channels are typically those reading from the Data location and writing to the Transaction Log File. Heavier updating will increase writing to the Transaction Log File and (asynchronously) to the Data location. At a configurable interval, the Archiver reads everything written to the Transaction Log File and writes the journaled records to the Journal location.