strange Warning and source modification

[bmathieu]

hi
i recompile nagios last night without changing the MAX_PLUGIN_OUTPUT
and all works fine .
But how can i do to increase this MAX_PLUGIN_OUTPUT which is 348 and i
need 1000 
basile


Le mardi 28 juin 2005 à 21:24 +0200, Andreas Ericsson a écrit :
> Basile Mathieu wrote:
> > first thanks :)
> > 
> > here is my system :
> > 
> > 3 nagios servers ( one under Fedora , two under gentoo ( one 386 and one sparc )
> > there are two active servers which send results with nsca
> > 
> > 
> >>>'os/etc/switch_conf_195.220.107.207' to ring a bell for you. Where
> >>>does that come from?
> > 
> > 
> > i use bash script to get informations on vlan and switch configuration
> > i just "echo > " for seing informations in nagios interface
> > 
> 
> You do know that you have to maintain a certain format when kicking 
> things into the named pipe don't you? Read the docs on how to format the 
> message if this is news for you.
> 
> > i observe that the are some checks that seems to stop ( the last check time
> > "freeze" )
> > it might be the reason of this logs :
> > 
> > usr/local/nagios/var/nagios.log:[1119960410] Warning:  Message
> > 
> >>>>queue contained results for service '' on host 'ú'.  The service
> >>>>could not be found! /usr/local/nagios/var/nagios.log:[1119960661]
> > 
> 
> This seems to indicate that you don't have the faintest inkling on how 
> to submit passive check-results. I suggest a deep dive in the 
> documentation and some serious work on the checking script.
> 
> > 
> >  basile
> > 
> > Selon Andreas Ericsson <ae at op5.se>:
> > 
> > 
> >>Marc Powell wrote:
> >>
> >>>>-----Original Message----- From:
> >>>>nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> >>>>admin at lists.sourceforge.net] On Behalf Of Basile Mathieu Sent:
> >>>>Tuesday, June 28, 2005 10:27 AM To:
> >>>>nagios-users at lists.sourceforge.net Subject: [Nagios-users] strange
> >>>>Warning and source modification
> >>>>
> >>>>
> >>>>
> >>>>hi i have two questions : first i have this line in my log and don
> >>>>t understand what it means
> >>>>
> >>>>/usr/local/nagios/var/nagios.log:[1119960410] Warning:  Message
> >>>>queue contained results for service '' on host 'ú'.  The service
> >>>>could not be found! /usr/local/nagios/var/nagios.log:[1119960661]
> >>>>Warning:  Message queue contained results for service '' on host
> >>>>'õx /usr/local/nagios/var/nagios.log:[1119961089] Warning:  Message
> >>>>queue contained results for service '' on host 'âß '.  The service
> >>>>could not be found! /usr/local/nagios/var/nagios.log:[1119961370]
> >>>>Warning:  Message queue contained results for service '' on host
> >>>>'û'.  The service could not be found!
> >>>>/usr/local/nagios/var/nagios.log:[1119961930] Warning:  Message
> >>>>queue contained results for service '' on host 'xð'.  The service
> >>>>could not be found! /usr/local/nagios/var/nagios.log:[1119963481]
> >>>>Warning:  Message queue contained results for service
> >>>>'os/etc/switch_conf_195.220.107.207' on host ' '.  The service
> >>>>could not be found!
> >>>
> >>>
> >>>You haven't provided much information on your installation but at a
> >>>guess, you have something that is writing bad data to nagios.cmd. Do
> >>>you have something submitting passive service checks? Have you
> >>>mistakenly configured some application to write to nagios.cmd when it
> >>>shouldn't be? I would have expected something like
> >>>'os/etc/switch_conf_195.220.107.207' to ring a bell for you. Where
> >>>does that come from?
> >>>
> >>>
> >>>
> >>>>second i use nagios to get vlan information and  to see it in the
> >>>>nagios interface i have to recompile nagios with MAX_PLUGIN_OUTPUT
> >>>>larger when i launch nagios i have
> >>>>
> >>>>Warning: Size of service_message struct (4252 bytes) is >
> >>>>POSIX-guaranteed atomic write size (512 bytes).  Service checks
> >>>>results may get lost or mangled!
> >>>>
> >>>>and i set this MAX_PLUGIN_OUTPUT larger and larger but it seems
> >>>>that the output in the web interface don t increase
> >>>
> >>>
> >>>Hmm. Seems like that would correlate nicely with the problems that
> >>>you're seeing above (specifically service checks being mangled). This
> >>>last might be better for nagios-devel but I'll bet that the max size
> >>>and the warning above are there for a reason. 4K is a _lot_ for
> >>>plugin return data and I'll bet there are other variables that you'll
> >>>need to adjust to support that, if it's possible at all.
> >>>
> >>
> >>It's possible, but on Linux some fiddling and a re-compile of the kernel
> >>is necessary to enable named pipe transfers larger than 4096 bytes. I
> >>believe (although I'm not sure) that this holds true for *BSD as well.
> >>
> >>
> >>>-- Marc
> >>>
> >>>
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> >>
> >>--
> >>Andreas Ericsson                   andreas.ericsson at op5.se
> >>OP5 AB                             www.op5.se
> >>Lead Developer
> >>
> >>
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> > 
> > 
> > 
> > 
> > 
> > --------------------------------------------------------
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> > 
> > 
> 
-- 
bmathieu <bmathieu at siris.sorbonne.fr>



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