Re: Monit switches to "not monitored" state occasionally

[Martin Pala]

On Jan 13, 2012, at 3:34 PM, Johannes Bauer wrote:

> Hi Martin,
> 
> On 13.01.2012 15:01, Martin Pala wrote:
> 
>>> Is there any automatic action which would cause monit to put a monitored
>>> child into "unmonitored" autonomically? If so, how can this mechanism be
>>> disabled?
>> 
>> There are two possible ways how the service can get unmonitored 
>> automatically:
>> 
>> 1.) when the "if <x> restarts within <y> cycles then timeout" statement is 
>> used, the monit will unmonitor the service if this condition matches
>> 
>> 2.) when you use dependency ("depends on <service>") and the parent service 
>> is stopped/unmonitored (aither via the timeout statement or manually by 
>> admin) - then the stop/unmonitor action cascades to the child services too.
> 
> We're using neither -- the config file I provided is actually *exactly*
> what we're using, no more, no less.
> 
>> Also Monit <= 5.2.5 *temporarily* displayed "Not monitored" while the 
>> service restart was pending - the monitoring state returned back to 
>> "Monitored" when the restart finished … this was fixed in Monit 5.3 as it 
>> was confusing and it displayes "Monitored" during restart too.
>> 
>> If none of the above cases matches your configuration, the most probable 
>> cause is, that somebody manually unmonitored/stopped the service via Monit.
> 
> The issue is definitely not temporary. Also, when a user unmonitors, I
> see in the logs something like:
> 
> syslog.1:Jan 13 09:54:10 ccu monit[1399]: unmonitor service 'foobar' on
> user request
> 
> But the logs just show *nothing*.


Please can you upgrade monit to 5.3.2 and run it in verbose mode (-v option)? 
There is the mentioned fix for the monitoring state presentation while restart 
was pending which may be related to the issue. In the case that the problem 
will occur again, please send the full monit log.

Regards,
Martin