> ### Reviewing system resource default values

> Fathom provides various default values for system, network, file, database, and OpenEdge server resources. You see these default values when you create a resource monitor and define its monitoring plan.

> If the default values are acceptable to you, you can maintain them for use with the resource monitors you create. If, however, you want to change the default values, you can do so as follows:

> - For each resource monitor you create, adjust the values, on a per-resource basis, so that you get the feedback data you want on the resource. In this case, each new resource monitor is still initially created with the Fathom default.
> - Change the actual defaults provided by Fathom so that each new resource monitor you create already has the default values you find most useful.

> Changing default values does not affect any resource monitor already created.

> To display default values for system resources:

> 1. Select Resources from the menu bar.
> 2. Click Resource Monitor Defaults. The Resource Monitor Defaults page appears:

> 3. Click System Resource Defaults. The System Resource Defaults page appears:

> 4. Review the default values defined for Disk and File System:
> Polling Interval — The frequency with which this resource's rules are checked by Fathom; for example, every 5 minutes.

> Alert if disk activity/file system usage exceeds — The percentage of disk activity or file system usage that if exceeded causes Fathom to generate an alert.

> Trend — Whether you want performance data about this resource stored in the FathomTrendDatabase.

> Trend every — How often you want the performance data stored in the FathomTrendDatabase.

> 5. Change the default values, as necessary, and click Submit.

> The new defaults will be in place when you create a new disk or file system resource. If when you create the new resource the default values are still not what you want, you can change the values of the individual disk or file system resource at that time to suit your own needs.

> Note that you can revert back to the original Fathom-supplied default values at any time by selecting Restore Fathom Defaults.

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