> #### File Systems view

> Figure 3–6 and Figure 3–7 show the File Systems page that appears when you select the File Systems link from the Database Details page. This initial view displays a list of file systems and associated files on a local machine that a specific database uses.

> Figure 3–6: File Systems view (1 of 2)

> Figure 3–7: File Systems view (2 of 2)

> The views present a snapshot of this data at the date and time specified at the top of the page. To avoid viewing stale data on this page, click the Refresh icon periodically to keep your view current.

> The database extent data on the File Systems page originate primarily from the _FileList VST. Data appearing in the Size column originate in the _AreaExtent system VST.

> Note: If you access the File System page from the Fathom Resources page instead of from the Database Details page, Fathom displays identical data. The only exception is that when you access the File System page from the Fathom Resources page, Fathom shows all databases for a system.

> The File Systems page includes general file system information and detailed storage area information arranged under the following headings:

> - Monitor — The name of a file system monitor. Only those file systems for which a monitor has been defined display a specific monitor name. Those file systems for which a file system monitor is not currently set up display the entry - define - under the Monitor heading. See the "Creating file resource monitors" section for more information.
> - Capacity — The byte capacity for each file system.
> - Free — The number of bytes that are currently free.
> - Used — The number of bytes currently used.
> - Utilization — The number of bytes currently used, expressed as a percent of the capacity. Percent amounts display one decimal place of precision.
> - DB Size — The size of all extent files on that file system in bytes.
> - DB% — The DB size as a percent of the capacity.
> - Extent — The filename and path of the database's storage area extents.
> - Area # — The database storage area number.
> - Size — The size in bytes.
> - % of file system — The size as a percentage of the file system capacity.
> - Reads and Writes — The number of block read/writes that have occurred since the database was started.

> ##### Creating file resource monitors

> You can set up or access an existing file resource monitor for any file system listed on the File System view page.

> To set up a monitor, select -define- next to the file system. The Create File Monitor Resource page appears. Once you create a file system resource monitor, the resource name replaces the -define- label.

> You create monitoring plans and rules for this resource monitor following the procedures outlined in the Resource Monitoring Guide.

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