Active vs. passive checks; host won't check

[Aaron Segura]

http://nagios.sourceforge.net/docs/2_0/checkscheduling.html#normal_scheduling

On Thu, 2007-02-01 at 13:45 -0600, Steve Yates wrote:
> Hi,
> 
> 	I'm a relative newbie to Nagios though I have v2.5 set up,
> running, and a couple dozen hosts defined.  I set it up using Monarch.
> Nagios is being used to monitor external hosts (that are not running
> Nagios) for uptime and POP/HTTP/etc. services using check-host-alive and
> check_http, etc.  Parent relationships are defined (internal
> router->ext. router->host).
> 
> 	I have two questions, and the first may help to answer the
> second.  I've never been too sure about the difference between active
> and passive checks.  What is the difference?  Is there a correct time to
> use one or the other?  
> 
> 	I have one host (a router) that will not check.  Status=PENDING
> ("Host has not been checked yet") forever.  Active and passive checks
> are both enabled.  It is a router, so there are no other services.  Also
> I used Monarch to clone it from another router's host definition that
> was working.  Any ideas on why it wouldn't be checking?  I can ping it's
> IP.
> 
> Thanks,
> 
>  - Steve Yates
>  - ITS, Inc.
>  - You can fool too many of the people too much of the time.
> 
> ~ Taglines by Taglinator - www.srtware.com ~
> 
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier.
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
::: Messages without supporting info will risk being sent to /dev/null