Copy for list -----Original Message----- From: Wheeler, JF (Jonathan) Sent: 18 July 2008 15:23 To: 'Stan Brown' Subject: RE: [Nagios-users] Difference betwen down and unreachable
> -----Original Message----- > From: Stan Brown [mailto:[EMAIL PROTECTED] > Sent: 18 July 2008 15:09 > To: Wheeler, JF (Jonathan) > Cc: Stewart Flood > Subject: Re: [Nagios-users] Difference between down and unreachable > > On Fri, Jul 18, 2008 at 01:04:53PM +0100, Wheeler, JF wrote: > > > -----Original Message----- > > > From: [EMAIL PROTECTED] On Behalf Of stan > > > Sent: 18 July 2008 12:26 > > > > > > I had a machine that was restored from an old backup tape, and did not have > > > it's external facing NIC configured for a few days last week. Nagios > > > reported it as down, rather than unreachable. How is this determined? > > > > Down means the individual system if down, that is, the host check has > > failed. > > > > Unreachable means "not possible to test" because the parent of the host > > has failed (maybe a switch) > Thanks. > > I did not realize that Nagios was sophisticated to understand that a device > could be "dependent" upon another device. Neat, I will look into how to > configure this functionality Look at the "parents" directive under the "host" definition. Note that you can also define service dependencies as well - see the documentation for more details Jonathan Wheeler e-Science Centre Rutherford Appleton Laboratory ------------------------------------------------------------------------- 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
