My disk is filling up!

Knows common reasons for disks filling up (logs, core dumps)
Knows how to find the actual disk filling up (df)
Knows how to find the full directory / file
Thinks about whether it’s okay to destroy the file
Takes the host out of service before working on it
Checks for a system-wide failure
Knows about filehandles being held open (knows how to find the process with the file handle or which file handles a process holds or current system file handles)
They know different servers hold filehandles differently for their log files