Run the following to stop the DA:
Polling continues on Data Collector if it is running and polling when Data Aggregator is stopped. Data Collector queues polled data for future delivery to Data Aggregator.
Run the following to start the DA:
Data Aggregator starts and synchronizes with CA Performance Center automatically.
When Data Aggregator starts, any queued, polled data on the Data Collector host are sent to Data Aggregator. The newest data is discarded if the queued data exceeds a disk space limit that is configured on the Data Collector system. As a result, there is a gap in the polled reporting data.