Host Down alert when Host is Up

[Sxan]

Yes :) 

--- jjesse at iserv.net wrote:

> I assume you reloaded Nagios after changing the
> file?
> 
> On Friday 09 September 2005 10:51, Sxan wrote:
> > The IP addresses did change, but I accounted for
> that
> > in the hosts.cfg file for this host. I'm not an
> expert
> > with Nagios so I'm not sure totally what you mean
> when
> > you're asking if I use state retention. But
> basically
> > the situation is that everything worked fine
> > yesterday, IP addresses were changed and the 2
> servers
> > were put on a new vlan, but they are still up and
> > completely reachable by ping and whatever else.
> That's
> > why I'm kind of confused. Here's the nagios
> > notification if it helps at all...
> >
> > ***** Nagios  *****
> >
> > Notification Type: PROBLEM
> > Host: boca-srv01
> > State: DOWN
> > Address: 10.168.0.201
> > Info: CRITICAL - Plugin timed out after 10 seconds
> >
> > Date/Time: Fri Sept 9 10:47:18 EDT 2005
> >
> >
> >
> >
> >
> > ~Jim
> >
> > --- Fred <f1216 at yahoo.com> wrote:
> > > Yes, you are correct, I misspoke (typed?),
> however,
> > > my point
> > > remains that if the host-check returns a
> critical,
> > > nagios will
> > > treat the node as down.  Whatever the command
> you
> > > are using ...
> > >
> > > "down" is a state which is defined by the
> > > host-check, it doesn't
> > > always mean the host is down, maybe its just not
> > > behaving as
> > > expected.
> > >
> > > -FredC
> > >
> > > --- Subhendu Ghosh <sghosh at sghosh.org> wrote:
> > > > On Fri, 9 Sep 2005, Fred wrote:
> > > > > On my configuration, I ping some smart
> switches
> > >
> > > via a host-check.
> > >
> > > > > If the TTL is out of bounds according to the
> > >
> > > host-check command
> > >
> > > > > it returns a warning or critical.  If it
> returns
> > >
> > > a critical the
> > >
> > > > > switch is reported as "down".
> > > > >
> > > > > -FredC
> > > >
> > > > check_ping only support RTA and packet loss. 
> You
> > >
> > > must be using something
> > >
> > > > else..
> > > >
> > > > > --- Subhendu Ghosh <sghosh at sghosh.org>
> wrote:
> > > > >> On Fri, 9 Sep 2005, Sxan wrote:
> > > > >>> Hey everyone,
> > > > >>>
> > > > >>> We just changed the vlan that 2 servers
> are on
> > >
> > > in one
> > >
> > > > >>> location and all of a sudden Nagios is now
> > >
> > > reporting
> > >
> > > > >>> those servers as being down, even though
> I'm
> > >
> > > able to
> > >
> > > > >>> ping them fine from the Nagios server
> itself
> > >
> > > and
> > >
> > > > >>> everything else is functioning just fine.
> I'm
> > >
> > > confused
> > >
> > > > >>> as to why this would happen. Any ideas?
> I'm
> > >
> > > also
> > >
> > > > >>> wondering if this could be related to the
> TTL
> > >
> > > possibly
> > >
> > > > >>> changing? If so, does anyone know any
> simple
> > >
> > > way to
> > >
> > > > >>> change the ttl that Nagios looks for or
> maybe
> > >
> > > increase
> > >
> > > > >>> it somehow on the box? Thanks as always!
> > > > >>>
> > > > >>> ~Jim
> > > > >>
> > > > >> TTL doesn't matter.  Did you change the IP
> addr
> > >
> > > of the servers in the
> > >
> > > > >> nagios config?  Are you use state
> retention?
> > > > >>
> > > > >>
> > > > >> --
> > > > >> -sg
> > > >
> > > > --
> >
> >
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> >
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> version
> > >
> > > (-v) and OS when reporting
> > >
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