Nagios Support Forum

I'm having a strange issue with flapping notifications on my Nagios XI system (version 5.9.10). I've recently noticed a lot of flapping notifications for hosts and services, even though their actual state seems stable. For example, a web server might be switching between UP and DOWN states in a shor...

If your cron job is deleting those archive logs, that would definitely explain why your availability reports might be incomplete or missing data for the periods where the logs have been purged.