The Data Layer is where all of the system information is stored. This layer consists of the Zenoss Daemons as well as zeoctl and zopectl to run the heart of the system. Zeoctl is the back-end object database that stores the configuration model, and zopectl controls the zope web application development environment used to display the console.
| Daemon | Description |
|---|---|
| ZenrRRD | ZenRRD gathers Time Series Data and acts as an RRDtool. |
| Zenevents | Zenevents interacts with the MySQL Events Database. |
| Zenmodel | Zenmodel Is the United Configuration Model of the Zope object database. |
| Zenhub | Broker of information between the data layer and the collection daemons. |
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