UNIX® Fault Management: A Guide for System Administration

Using Standard Commands and Tools

Many UNIX commands exist to check configuration, status, and resource information. These tools generally report on only a snapshot in time. You can periodically track configuration changes or test the status of disk devices or resources by writing and using custom scripts that include these (and other) commands.

bdf and df

The bdf and df commands can be used not only to see the mounted filesystem configuration, but also to report filesystem usage and capacity information. You can use this command to do the following:

• Monitor filesystem space, to avoid filesystem capacity limits

• Check that the necessary filesystems are mounted

• View the relationship between the filesystem mount points and associated logical volumes ...