Question: What happens when the
filesystem for the listener log becomes full? Will a
full listener log cause the database to refuse connection or
hang the database? Will a full listener log roll-over
to the front of the listener file?
Answer: Your
system administrator should never let this happen, but my
guess would be "nothing happens".
Listener log
messages are not critical to the performance of the database
and hence, Oracle would not "hang" the database if there is
a full file system in the log directory.
Regardless if the location, it is important to
monitor the free space in the filesystem. and never
allow any mount point to become full.
Also see
Listener log file location Tips.
