Question about "Last Check" fields.

[jeff vier]

On Fri, 2005-03-11 at 11:27 -0800, Michael Halligan wrote:
> > I notice that even though I have all of my checks running every 5
> minutes,
> > the Last Check field in nagios will sometimes be several days out of
> > date..
> > What can I do to force nagio to be more accurate in that field? It
> has
> > raised some doubt amongst management as to if Nagios is really
> working
> or
> > not.
> 
> Last Check data is updated at the same time the status information is
> (i.e. when checks are performed) so they should always be accurate. Do
> you have any orphaned check processes? Are you allowing enough
> concurrent checks to be run (max_concurrent_checks)? Are you reaping
> service check results often (service_reaper_frequency). I don't
> understand why the information would be days old in either case.
> Perhaps
> you _might_ have multiple daemons running? More information on your
> installation, number of hosts and services and the type of hardware
> might be helpful. Output of /path/to/nagios -s /path/to/nagios.cfg
> would
> be informative as well.
> 
> 
> Marc,
> 
> In response to your questions :
> 
> 
> I'm not seeing any orphaned checks.
> max_concurrent_checks = 0
> service_reaper_frequency = 5
> 42 hosts
> 346 services
> (I'm about to triple the # of hosts and services, though with a new
> rollout
> this weekend)
> 
> It's running on a dell 1750, dual xeon 2.4ghz server with 2GB of
> memory, and 3 73GB drives,
> hardware raid5.
> 
> Output of nagios -s :<snip>


Are you talking about Last Check of an individual Service, or of the
Host itself?

Hosts are only checked if one of their services goes down.

--jeff



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