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Tasks can be activated or deactivated by changing the configuration. More details can be found here:Configuration of the Delft-FEWS Archive Server
A task can be started manually by pressing the start-button. Some tasks can be started if there is no other tasks of the same group to which it belongs is running.
The internal harvester can, for example, only run if the clear catalogue task is not running. If the clear catalogue task is running the start button of the internal harvester task will be disabled.
The tasks "internal harvester" and the task "clear internal catalogue" are the two most important and most used tasked tasks of the archive.
The task "internal harvester" is responsible for updating and maintaining the catalogue. The catalogue is used to find data sets in the archive.
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