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The Controller is the component in JS7 that holds job-related configurations and orchestrates Agents. The outage of a Controller instance does not prevent the execution of workflows with jobs running on a single the same Agent. However, it affects for example the execution of workflows that include jobs running on a number of Agents as switching of Agents during workflow execution is performed by the Controller.
A Controller instance outage can be handled either by resolving the issue with the current Controller instance, e.g. by restarting or by relocating the Controllers instance's ./state
directory to a new Controller instance. This directory holds the Controller instance's journal. To relocate a Controller instance copy the journal files to the new Controller instance. Refer to the JS7 - Relocating a Controller article for the steps to apply.
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