On Fri, Oct 31, 2008 at 5:33 PM, Marc Powell <[EMAIL PROTECTED]> wrote: >>> If you like the suppression of notifications for services on down >>> hosts or would like to use the parenting/reachability logic, host >>> checks would be necessary. >> >> I don't get notification of services unavailability even with hot >> check disabled, because Nagios does a host check directly after it >> find a service unavailable. > > I thought you said you didn't do host checks? So you're not really > asking about the merits of a host check v.s. a service check but > rather the merits of (Regularly Scheduled host checks and no service > checks) and (Service check and on-demand host check only)?
Yes. I thought my hostchecks were disabled but I observed that they are done when a service is unavailable. So yes, I don't do scheduled hostchecks, but hostcheck are/seem to be done on demand. > >> Not additional if you replace the ping check by the hostcheck > > I guess that I'm a traditionalist and still feel that every host > should have a service check =) That may be a something I need to change. > >> Is the impact of enabling hostchecks vs ping service only a status of >> UNREACHABLE instead of DOWN for child hosts ? > > No, notification suppression as well, but if you're doing on-demand > host checks currently you're already getting that. The only real > benefits may be one less regular check to configure (the service > check) and the possible use of a cached host check instead of a new > active check when determining outages. IMHO based on my expectation/ > understanding of the new host check methodology, the actual number of > checks performed either way are going to be similar except over very > long time periods with volatile networks. > Ok, so I'm not sure I'm going to setup hostchecks :/ Thanks for you answers Mark! -- L.B. ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Nagios-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
