You can check the database through the SQL enterprise manager. Check which table is getting full. I just heard about a site whose database got full from the event log errors. We store the event logs in the database for the sake of generating historical reports.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...