## Exception Report

Using this feature, you can generate an exception report against devices, FRUs and volumes that are not configured correctly, based on a predefined list of normal values.

The normal values are stored in the `System/exception.conf` and can be adjusted on an individual device, FRU, or volume basis, by modifying the `DATA/exception.conf` file. When the Exception Report runs, the values in `DATA/exception.conf` will override the values in `System/exception.conf`.

For example, to change the default Cache Mode for a Sun StorEdge T3 array from `auto` to `off`, simply add the `system.sysCacheMode` entry from the file `System/exception.conf` into the file `DATA/exception.conf` and change the field `value` from `auto` to `off`. The file `DATA/exception.conf` should appear as follows:

[t3] id=system.sysCacheMode name=Cache Mode value=off

Users should adjust entries in the `DATA/exception.conf` until the Exception Report is very short and reports only exceptions to the standard site configuration.