Cacti maintenance

You have now learned how to perform some general maintenance tasks for making backups and managing the Cacti log file. Let's look into some more specific Cacti maintenance tasks.

List RRD files with no associated host

After running a Cacti installation for some time, data items and files may get orphaned as you delete and re-create graphs. Let's check for the common issue of left-over RRD files. Cacti 1.x does provide some help with managing these orphaned files through the web-interface.

Time for action - finding orphaned RRD files

The following steps shows you how to enable the automatic RRD files cleanup:

1. Log on to the Cacti web interface using an admin account.
2. Go to the Configuration section and click on the Settings link.
3. Go to Paths and look at the RRD Cleaner section:

4. Enable the checkbox next the RRDFile Auto Clean.
5. A new drop-down will appear. Keep that to Delete and hit the Save button.
6. Next, go to the Management section and click on the Data Sources link.

7. Select Orphaned...