Datamap is a multiplatform diskspace and data growth monitoring tool
...Flexible grouping of clients and directories.
Command line intefrace.
Flexible reporting system.
Reports can be viewed via a web browser or exported to Excel.
Automatic diskspace usage and data growth monitoring on client,partitions and filesystems.
Disk growth limit monitoring and alert - Never run out of diskspace again!
Email notifications of alerts.
Run custom scripts in response to defined events.