Service/Host dependency, plus Timeout question...

Stephan Janosch stephan.janosch at interface-business.de
Tue Jan 11 12:36:26 CET 2005


Emmett Hogan wrote:
> Hi Folks,
> 
> I *know* this is in the documentation somewhere, but I cannot seem to 
> find it anywhere...so please forgive me. :-)
> 
> I have two questions regarding "Service Check Timeouts"....
> 
> 1) All my timeouts come back as CRITICAL and result in immediate pages, 
> we occasionally have systems which are pretty loaded and the NAGIOS 
> checks timeout.  We'd like those to come through as WARNINGS (so we 
> don't get pages).  We are checking everything via "check_by_ssh".

I carefully looked into check_by_ssh.c. I found out, that by giving a 
timeout to check_by_ssh you will get UNKOWN results. So try to set a 
timeout shorter the nagios plugin timeout and you should get a WARNING 
and no CRITICAL state.

> 2) I was under the impression that if a host was down, that SERVICE 
> errors were quenched....but that doesn't seem to be the case here.  If 
> we take a service down, then suddenly we get inundated with SERVICE 
> "CRITICAL" pages.  Am I assuming an incorrect dependency between 
> services and hosts?

Did you create a downtime for this host/service?

> Again, I am sorry for asking such basic questions....but it's Monday, 
> and we had an extended downtime this weekend...so I am beat.
> 
> (Please, have pity on me!) :-)
> 
> -Emmett
> 

Stephan



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