Massive HOST UP alerts in nagios.log for no reason

[Sascha.Runschke at gfkl.com]

Hi all,

ever since I started building up our new nagios environment under nagios 
3.0, I noticed that my
logfile contains massive amounts of HOST UP alerts - even though the host 
was never down before.
Actually I seem to have this log entry each time a host is checked, I 
guess they get checked for
the predictive and cache host tests. But sadly it's getting a real pain, 
since the logfile is growing
so big, that my firefox even crashes when I try to view it with the 
webinterface.
My daily nagios.log has the massive amount of roundabout 110.000 entries 
each day - which is
little bit too much for its 400 hosts / 1600 services imho. Nearly the 
same checks (actually a few
less, but whatever) produce roundabout 10.000 lines of log on our nagios 
2.11 server each day.

The culprit seems to be:

[root at essnagios01 archives]# egrep "HOST ALERT:.*UP;HARD" 
nagios-05-28-2008-00.log  | wc -l
97716

So I have 97716 entries each day looking like:

[1211844162] HOST ALERT: sw-00-o2;UP;HARD;1;OK - 1.2.3.4: rta 1,069ms, 
lost 0%

with the hostname of course being always different - every host comes up 
every minute.

Does anyone have any clue if this is intended behaviour or what I may have 
done wrong?

S

-- 
Sascha Runschke
Netzwerk-  und  Systemmanagement
Telefon : +49 (201) 102-1879 Mobil : +49 (173) 5419665 Fax : +49 (201) 
102-1102105



GFKL Financial Services AG
Vorstand: Dr. Peter Jänsch (Vors.), Jürgen Baltes, Dr. Till Ergenzinger, Dr. Tom Haverkamp
Vorsitzender des Aufsichtsrats: Dr. Georg F. Thoma
Sitz: Limbecker Platz 1, 45127 Essen, Amtsgericht Essen, HRB 13522
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