Symptoms

Enabling logging from daemons, especially when the debug log level is set, can cause excessive log output, leading to rapid filling of /var/log

Impact

Log file/syslog is flooded with repetitive alerts

Conditions

Excessive logging from daemons, particularly when debug logging is enabled

Workaround

The alerts will resolve automatically once old logs are rotated or deleted. To resolve immediately, manually rotate or remove old log files from /var/log

Fix Information

Fixed an incorrect error message that says '/var/log disk usage exceeds 90%' even though it is only 80%

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips