> Hi, Hi, > > For a few days false notification of nagios reduced. But it has increased > again. You sure? > > Looking at the /configs/system/nagios/services/template.cfg reveals > that it is configured as > max_check_attempt = 4 and retry_check_interval 1 for hosts > and > max_check_attempts = 3 and retry_check_interval 1. > > So if a service or host is unreachable for 3 or 4 mins, we get a > notification. (However most of the cases it is false positive, due to > congestion or others). Looking through my email, from what I can recall there are no false positives. xen6 had to be power-cycled which caused all the other collateral notifications. Just to put it into perspective... 1st notification: 0212UTC - Accounts down on .120-phx ... 5th notification: 0216UTC - UNKNOWN status on xen6 (NRPE: Unable to read output) ... 11/12th notifications: 0228UTC - Host Down - xen6/db2 & Starting 0233UTC - Host/service UP/Okay notifications According to my IRC logs xen6 went a bit haywire and had to be rebooted, so TBH I don't see what is false here. Yes congestion can cause some problems, but isn't that also a sign that stuff may need to be balanced better or given more processing/networking capacity. It's long enough to not detect every single VPN bloop, but it's also long enough to give an idea of problems. > > How about finding out a working delay which we can afford, if a > service or host is really down. How about 10 mins ? (5 attempt x 2 > mins?). IMO this is too long, also, it doesn't take that long for someone to SSH in and have a quick look, I don't speak for everyone, but I don't mind if I spend 2-5 minutes to check. > > Also we may list services/host which are critical and which are not. > That will help to define different notification period for the > different hots/services. > > I thought I shall do it after the freeze, but its becoming too annoying. Personally, I don't think anything should be done at the moment. - Nigel _______________________________________________ Fedora-infrastructure-list mailing list Fedora-infrastructure-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-infrastructure-list
