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.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.